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  • 8/12/2019 17 to 18 Group Theory_E

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    "eiflsmjueirpmysl`s.lf" 9

    @MAELPTR\

    p-Bho`j Ahaeafts (Mihocafs ifd Fobha Cisas)

    Lftrodu`tlof ;Croup 90 to 9= og tma parlodl` tibha og ahaeafts `ofstltuta tma pbho`j. Tma pbho`j `oftilfs eatihs,

    eatihholds is wahh is fofeatihs.

    Tma pbho`j ahaeafts miva cafarih vihaf`a smahh aha trofl `ofglcuritlof fs2 fp97.

    Tma glrst eaebar og ai`m croup groe 9093 og tma pbho`j ahaeafts dlggar lf eify raspa`ts groe tma otmar

    eaebars og tmalr raspa`tlva croups ba`iusa og seihh slza, mlcm aha`trofacitlvlty ifd ibsaf`a og dorbltihs.

    Tma glrst eaebar og i croup ihso mis craitar iblhlty to gore pp euhtlpha bofds to ltsahg (a.c. @5@, @@, FF)ifd to ahaeaft og sa`ofd row (a.c @5O, @5F, @F, F5O) `oepirad to tma otmar eaebars og tma siea croup.Tma mlcmast oxlditlof og pbho`j ahaeaft ls aquih to tma croup fuebar 9>. Eovlfc dowf tma croup, tma

    oxlditlof stita two hass tmif tma mlcmast croup oxlditlof stita ba`oeas eora stibha lf croups 90 to 97 dua

    to lfart pilr agga`t (rahu`tif`a og s-subsmahh aha`trofs to pirtl lpita lf `mael`ih bofdlfc)

    CROQ^ 93 AHAEAFTP ; TMA MIHOCAF GIELH\Ghuorlfa, `mhorlfa, broelfa, lodlfa ifd istitlfa ira eaebars og Croup 93. Tmasa ira `ohha tlvahy jfowf is

    tma mihocafs (Craaj miho eaifs siht ifd cafas borf l.a., siht produ`ars). Tma mihocafs ira mlcmhy rai`tlva

    fof-eatihhl` ahaeafts.

    Aha`trofl` @ofglcuritlof

    Ihh tmasa ahaeafts miva savaf aha`trofs lf tmalr outareost smahh (fs2 fp1) wml`m ls ofa aha`trof

    smort og tma faxt fobha cis.

    Itoel` ifd Lofl` Ridll

    Tma mihocafs miva tma seihhast itoel` ridll lf tmalr raspa`tlva parlods dua to eixleue agga`tlva fu`hair

    `mirca . Itoel` ifd lofl` ridll lf raisa groe ghuorlfa to lodlfa dua to lf raislfc fuebar og quiftue smahhs.

    Loflsitlof Aftmihpy

    Tmay miva hlttha tafdaf`y to hosa aha`trof. Tmus tmay miva vary mlcm loflsitlof aftmihpy. Dua to lf`raisa lf

    itoel` slza, loflsitlof aftmihpy da`raisas dowf tma croup.

    Aha`trof Cilf AftmihpyMihocaf miva eixleue facitlva aha`trof cilf aftmihpy lf tma `orraspofdlfc parlod. Tmls ls dua to tma gi`t

    tmit tma itoes og tmasa ahaeafts miva ofhy ofa aha`trof hass tmif stibha fobha cis ofglcuritlofs. Aha`trof

    cilf aftmihpy og tma ahaeafts og tma croup ba`oeas hass facitlva dowf tma croup. Mowavar, tma facitlva

    aha`trof cilf aftmihpy og ghuorlfa ls hass tmif tmit og `mhorlfa. Lt ls dua to seihh slza og ghuorlfa itoe. Is i

    rasuht, tmara ira strofc lftaraha`trofl` rapuhslofs lf tma rahitlvahy seihh 2p orbltihs og ghuorlfa ifd tmus, tma

    axtri aha`trof (lf`oelfc) doas fot axparlaf`a eu`m ittri tlof.

    Aha`trofacitlvlty

    Tmay miva vary mlcm aha`trofacitlvlty. Tma aha`trofacitlvlty da`raisas dowf tma croup. Ghuorlfa ls tma eost

    aha`trofacitlva ahaeaft lf tma parlodl` tibha

    ^mysl ih ^ropartlasGhuorlfa ifd `mhorlfa ira cisas, broelfa ls i hlquld wmarais lodlfa ls i sohld. Tmalr eahtlfc ifd bolhlfc

    polfts staidlhy lf`raisa wltm itoel` fuebar. Ihh mihocafs ira `ohourad. Tmls ls dua to ibsorptlof og ridlitlofs

    lf vlslbha raclof wml`m rasuhts lf tma ax ltitlof og outar aha`trofs to mlcmar afarcy havah. By ibsorblfc dlggaraft

    quifti og ridlitlof, tmay dlsphiy dlggaraft `ohours. Gor axiepha, G2, mis yahhow, @h

    2, craaflsm yahhow, Br

    2, rad

    ifd L2, vlohat `ohour. Ghuorlfa ifd `mhorlfa rai`t wltm witar. Broelfa ifd lodlfa ira ofhy spirlfchy sohubha lf

    witar. But ira sohubha lf orcifl sohvafts su`m is `mhorogore, `irbof tatri`mhorlda, `irbof dlsuhpmlda ifd

    mydro`irbofs to clva `ohourad sohutlofs. Ax`apt tma seihhar aftmihpy og dlsso litlof og G2

    `oepirad to tmit

    og @h2. Tma ]-] bofd dlsisso litlof aftmihplas groe mhorlfa ofwirds smow tma axpa`tad trafd ; @h @h 6 Br

    Br 6 G G 6 L L. Tma raisof gor tma seihhar aftmihpy og dlsso`litlof og G2

    ls tma rahitlvahy hircar aha`trofs-

    aha`trofs rapuhslof ieofc tma hofa pilrs lf G2eoha`uha wmara tmay ira eu`m `hosar to ai`m otmar tmif lf

    `isa og @h2

    .

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    "eiflsmjueirpmysl`s.lf" 2

    @MAELPTR\

    Tibha ; 9

    Itoel` ifd pmysl`ih propart las

    Ahaeaft G @h Br L

    Itoel` Fuebar < 93 01 10

    Itoel` Eiss 9< 01.41 3

    4s2

    4p1

    ZJrU 4d9>

    1s2

    1p1

    @ovihaft Ridlus / pe 74 9217 9942 9>>=

    Aha`trof cilf aftmihpy /(jK eoh9

    ) 000 04< 021 2.14 WEora tma vihua og tma PR , eora powarguh ls tma oxldlslfc icaft. Maf`a tma ordar og oxldlslfc powar ls

    G26 @h

    26 Br

    26

    2

    Plf`a PR^ ls tma mlcmast gor G2(ieofc ihh ahaeafts og parlodl` tibha), lt ls i strofcast oxldlslfc icaft.

    Axiepha-9 @ovihaft ridlus og ghuorlfa ls 74 pe but tma bofd hafctm ls fot aquih to 92= pe ifd tmit ls 940 pe

    ifd bofd afarcy ls goufd to ba `oepiribha to2

    .

    P o h u t l o f Tmls eiy ba ittrlbutad to.p .p rapuhslofs dua to seihh slza og G itoe.

    Axiepha-2 Aha`trof igglflty og `mhorlfa ls eora tmif G. Lfsplta og tmls G2ls tma battar oxldlslfc icaft. Smy ?

    P o h u t l o f PR^ og G2ls eu`m mlcmar tmif tmit og @h

    2of i``ouft og seihhar bofd dlsso`litlof afarcy.

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    "eiflsmjueirpmysl`s.lf" 0

    @MAELPTR\

    Mydritlof afarcy og ]

    Peihhar tma lof, mlcmar ls tma mydritlof afarcy.

    G @h Br

    191 0=9 043 0>1 lf jK/eoh

    Ifoeihous bamivlour og ghuorlfa

    Tma ifoeihous bamivlour og ghuorlfa ls duato lts seihh slza, mlcmast aha`trofacitlvlty, how G- G bofd dlsso litlof

    aftmihpy, ifd fof ivilhiblhlty og d orbltihs lf vihaf`a smahh. Eost og tma rai`tlofs og ghuorlfa ira axotmarel`

    (dua to tma seihh ifd strofc bofd goread by lt wltm otmar ahaeafts). Lt gores ofhy ofa oxoi ld wmlha otmarmihocafs gore i fuebar og oxoi`lds. Mydrocaf ghuorlda ls hlquld (b.p. 2

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    "eiflsmjueirpmysl`s.lf" 4

    @MAELPTR\

    Fota ; Lt ls fot posslbha to prapira ghuorlfa by aha`trohysls og iquaous sohutlof og FiG or JG. Lt ls ba`iusa wmaf

    iquaous sohutlof og JG ls subka`tad to aha`trohysls, tmara wlhh ba gohhowlfc two oxlditlof lf `oepatltlof it

    ifoda,

    M2O 9/2O

    2+ 2M+ + 2a PO^ 5 9.20 W

    ifd

    G 9/2G2+ a PO^ 5 2.=3 W

    Is i eittar og ruha tmit substif`a wlhh ba oxldlsa wmosa PO^ ls mlcmar tmaragora witar cats oxldlsa it ifoda

    ifd fot G

    .(ll) @mael`ih eatmod ;Groe ^otisslue maxighuoroeifcifita (LW), J

    2ZEfG

    7U.

    J2

    ZEfG7U + 2 PbG

    1 2J ZPbG

    7U + EfG

    0+

    2

    9G

    2 :

    204 G2

    9EfG

    vliEfG

    Lf tmls rai`tlof, tma strofcar Hawls i`ld PbG1

    dlsphi`as tma waijar ofa, EfG4

    groe lts siht. EfG4

    ls ufstibha

    ifd raidlhy da`oeposas to clva EfG0

    ifd ghuorlfa.

    ^RO^ARTLAP ;

    (l) Dlitoel , ^iha craaf-yahhow cis wml m ippairs to ba iheost `ohourhass. Lt ls maivlar tmif ilr. Lt `ofdafsas

    to yahhow hlquld it 9==>@ ifd yahhow sohld it 220>@. Lt mis pufcaft odour ifd ls mlcmhy polsofous.

    (ll) Oxldlslfc `miri`tar ;Lt ls tma eost powarguh oxldlslfc icaft.G

    2+ 2Fi] 2FiG + ]

    2: wmara (] 5 @h, Br,)

    (i) Lt `if oxldlsa ihh otmar mihlda lofs lfto mihocaf eoha`uhas

    (b) Lt if oxldlsa @hO0 lfto @hO

    4 ifd LO

    0 to LO

    4

    G2+ @hO

    0 + M

    2O 2G + @hO

    4 + 2M+

    (`) Lt if oxldlsa MPO4 lfto P

    2O

    =2

    2MPO4 + G

    2 2G + P

    2O

    =2 + 2M+

    (lll) Rai`tlof wltm FiOM sohutlof ; Sltm dlhuta ihjihl gores oxycaf dlghuorlda ifd wltm `of`aftritad ihjihl

    hlbaritas O2.

    2G2+ 2 FiOM (dlhuta) OG

    2(c) + 2 FiG + M

    2O

    2G2+ 4 FiOM (`of`aftritad) O2(c) + 4 FiG + 2M2O(lv) Rai`tlof wltm FM

    0;

    2FM0+ 0G

    2 F

    2+ 7 MG

    Lt ls tma dlstlf`tlof groe otmar mihocafs: otmar mihocafs gore axphoslva F]0

    wltm `of`aftritad FM0

    l.a. hlquor

    ieeofli.

    (v) Rai`tlof wltm M2P ;

    M2P + G

    2 PG

    7+ 2 MG

    (vl) Rai`tlof wltm PlO2; Lt itti`js chiss it ibout 9>>>@.

    PlO2(s) + 2G

    2(c) PlG

    4(c) + O

    2(c)

    Tma rai`tlof ls show wltm dry G2.

    (vll) Rai`tlof wltm PO0 ;

    PO0+ G

    2 IcG

    @9=> GPO2OOPO

    2G

    (vlll) Rai`tlof wltm O2;

    O2+ G

    2 aircdls`maha`trl`slhaft

    ogprasaf`alfofhy O2G

    2

    (lx) Rai`tlof wltm eatihs ifd fofeatihs ; Lt `oeblfas wltm eost og tma eatihs. Iheost ihh fof-eatihs

    ax`apt O2& F

    2lcflta spoftifaoushy lf prasaf`a og G

    2.

    2 Ic + G22 IcG : 2 Ih + 0 G

    2 2 IhG

    0

    @ + 2 G2 @G

    4 : Pl + 2 G

    2 PlG

    4

    Ghuoro`irbofs ira axtraeahy lfart. @G4

    `if ba maitad lf ilr wltmout burflfc. Ghuoro`irbofs ira lfart

    to `of`aftritad MFO0

    , M2PO

    4ifd to strofc oxldlslfc icafts su`m is JEfO

    4or O

    0ifd to strofc

    radu`lfc icafts su`m is HlIhM4or @ it 9>>@.

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    "eiflsmjueirpmysl`s.lf" 1

    @MAELPTR\

    @MHORLFA (@h2) ;

    ^RA^IRITLOF ;(l) By maitlfc `mhorlda wltm `of`aftritad M

    2PO

    4lf prasaf`a og EfO

    2.

    4M+ + EfO2+ 2] ]

    2+ Ef+2 + 2M

    2O

    Broeldas ifd lodldas ihso hlbarita Br2

    ifd L2

    raspa`tlvahy wltm `of`aftritad M2PO

    4ifd EfO

    2.

    (ll) (i) Fi@h + MFO0

    FiFO0+ M@h 0

    MFO0+ 0M@h FO@h + @h2+ 2M2O

    0Fi@h + 4 MFO0

    0 FiFO0+ FO@h (fltrosyh `mhorlda) + @h

    2+ 2M

    2O

    2FO@h + O2

    2FO2+ @h

    2: FO

    2+ M

    2O MFO

    0(to ba ra`y had)

    (b) Smaf @h2ls usad gor tma `mhorlfitlof og mydro`irbof tma by-produ`t ls M@h. Tma M@h ls `itihytl`ihhy

    oxldlsad lfto M2O & @h

    2uslfc oppar powdar elxad wltm rira airtm `mhorldas.

    4 M@h + O2

    `mhorldaairtmrirapowdar@u 2M2O + 2@h

    2

    (`) @iO h@

    @h

    + 2M@h @i@h2+ @h

    2+ M

    2O

    (d) 2JEfO4

    + 97 M@h2 J@h + 2 Ef@h2

    + 1 @h2

    + = M2

    O

    (a) ^bO2+ 4 M@h^b@h

    2, + @h

    2+ 2 M

    2O

    Tmasa eatmods ira ax huslvahy usad ofhy gor `mhorlfa.

    (lll) Eifugi`tura og `mhorlfa ;

    (i) Dai`ofs pro`ass ; By oxlditlof og mydrocaf `mhorlda cis by iteospmarl` oxycaf lf tma prasaf`a

    og @u@h2(`itihyst) it 320 J.

    4 M@h + O2

    2@u@h 2 @h2+ 2 M

    2O

    (b) Aha trohytl` pro`ass ; @mhorlfa ls obtilfad by tma aha`trohysls og brlfa (`of`aftritad Fi@h sohutlof).

    @mhorlfa ls hlbaritad it ifoda. Lt ls obtilfad is i byprodu t lf eify `mael`ih lfdustrlas a.c.: lf

    eifugi`turlfc og sodlue mydroxlda.Fi] (iq) Fi+ (iq) + ] (iq)

    Ifoda ; 2] ]2

    + 2a

    ^RO^ARTLAP ;(l) Lt ls i craaflsmyahhow cis wltm pufcaft ifd suggo`itlfc odour. Lt ls ibout 21 tleas maivlar tmif ilr. Lt `if

    ba hlquaglad lfto craaflsmyahhow hlquld wml`m bolhs it 20 M@h

    (b) @mhorlfa oxldlsas botm Br ifd h to Br2ifd L

    2raspa`tlvahy.

    ] + @h2

    ]2+ 2@h

    (`) Lt ls i powarguh bhai`mlfc icaft : bhai`mlfc i`tlof ls dua to oxlditlof.

    @h2+ M

    2O 2 M@h + O

    @ohourad substif`a + O @ohourhass substif`aLt bhai`mas vacatibha or orcifl` eittar lf tma prasaf`a og eolstura. Bhai`mlfc agga`t og `mhorlfa ls pareifaft.

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    "eiflsmjueirpmysl`s.lf" 7

    @MAELPTR\

    Fota ; Tma bhai`mlfc i`tlof og PO2ls taeporiry ba`iusa lt tijas phi`a tmroucm radu`tlof.

    PO2+ 2 M

    2O M

    2PO

    4 + 2 M

    PO0

    2 + @ohourad eitarlih PO4

    2 + Radu`ad `ohourhass eitarlih.

    Radu`ad @ohourhass eitarlih ilrogO2

    @ohourad eitarlih.

    (lv) Rai`tlof wltm FiOM ;

    (i) 2 FiOM ( `ohd & dlhuta) + @h2 Fi@h + Fi@hO + M2O

    (b) 7 FiOM (mot & `of`aftritad) + 0 @h2

    1 Fi@h + Fi@hO0+ 0 M

    2O

    Tmasa rai`tlofs ira ihso clvaf by Br2

    ifd L2.

    (v) Rai`tlof wltm dry shijad hlea, @i(OM)2; To clva bhai`mlfc powdar.

    2 @i(OM)2+ 2 @h

    2 @i(O@h)

    2+ @i@h

    2+ 2 M

    2O

    QPAP ; @h2

    ls usad

    9. gor bhai`mlfc wood puhp (raqulrad gor tma eifugi`tura og pipar ifd riyof), bhai`mlfc `ottof ifd taxtlhas,

    2. lf tma eifugi`tura og dyas, drucs ifd orcifl `oepoufds su`m is @@h4

    , @M@h0

    , DDT, ragrlcarifts, at`.

    0. lf tma axtri`tlof og cohd ifd phitlfue.

    4. lf starlhlslfc drlfjlfc witar ifd1. prapiritlof og polsofous cisas su`m is pmoscafa (@O@h2), tair cis (@@h

    0FO

    2), eustird cis

    (@h@M2@M

    2P@M

    2@M

    2@h).

    BROELFA (Br2) ;

    ^RA^IRITLOF ;

    (l) @oeeof eatmod ; 2 FiBr + 0M2PO

    4(`of`aftritad) + EfO

    2 Br

    2+ EfPO

    4+ 2FiMPO

    4 + 2M

    2O

    (ll) Groe Pai-witar ;

    Fi@h ls eilf `oepofaft but FiBr ls ihso prasaft lf soea quiftlty lf sai witar. @h2

    cis ls pissad tmroucm

    sai witar wmaf vipours og broelfa ira avohvad.

    2 Br (iq) + @h2

    2@h (iq.) + Br2

    Tma Br2 ls raeovad by i straie og ilr slf`a Br

    2ls qulta vohitlha. Tma cis ls pissad tmroucm i sohutlof og

    Fi2@O

    0wmaf tma Br

    2ls ibsorbad gorelfc i elxtura og FiBr ifd FiBrO

    0. Tma sohutlof ls tmaf i ldlglad ifd

    dlstlhhad to clva pura broelfa.

    0Br2+ 0Fi

    2@O

    0 1FiBr + FiBrO

    0+ 0@O

    2

    1FiBr + FiBrO0+ 0M

    2PO

    4 1MBr + MBrO

    0+ 0Fi

    2PO

    4

    1MBr + MBrO0

    0Br2+ 0M

    2O

    ^RO^ARTLAP ;

    (l) Raddlsm browf hlquld, gilrhy sohubha lf witar. Lt ihso gores mydrita hlja @h2

    (Br2 . =M2O) @hitmrita `oepoufd

    (ll) Rast rai`tlofs ira siea is wltm @h2

    LODLFA (L2) ;

    ^RA^IRITLOF ;

    (l) @oeeof eatmod ; 2Fi+ 0M2PO

    4(`of`aftritad) + EfO

    2

    2+ EfPO

    4+ 2FiMPO

    4+ 2M

    2O

    (ll) Groe @ihl`ma or @ruda `mlha siht patra ;

    Tma eilf sour`a og lodlfa ls FiO0(sodlue lodita) wml`m ls goufd lf fitura wltm FiFO

    0(`mlha sihtpatra).

    FiO0

    ls prasaft lf seihh ieouft. Igtar `rystihhlsitlof og FiFO0

    , tma eotmar hlquor hagt `oftilfs FiO0

    (sohubha). To tmls sohutlof FiMPO0ls iddad wmara upof

    2ls pra`lpltitad.

    2O0 + 7MPO0 2L + 7 PO42 + 7M+1 + LO

    0 + 7M+ 0L

    2+ 0 M

    2O

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    "eiflsmjueirpmysl`s.lf" 3

    @MAELPTR\

    (lll) Groe sai-waads ;

    @artilf eirlfa phifts ibsorb ifd `of`aftrita L saha`tlvahy lf prasaf`a og @h ifd Br. Pai-waads ira drlad

    ifd burft lf smihhow plts, ism hagt ls `ihhad jahp. Ism of axtri`tlof wltm mot witar dlssohvas out `mhorldas,

    `irbofitas, suhpmitas ifd lodldas og sodlue ifd potisslue. Tma sohutlof of `of`aftritlof sapiritas out ihh

    haivlfc bamlfd lodlda lf tma sohutlof. Pohutlof ls elxad wltm EfO2ifd `of`aftritad M

    2PO

    4 lf lrof ratorts.

    Hlbaritad lodlfa ls `ofdafsad lf sarlas og airtmafwira jfowf is ihudahs.

    2Fi + EfO2

    + 0M2PO

    4 2FiMPO

    4 + EfPO

    4+

    2+ 2M

    2O

    (lv) @uPO4 + 2J J2PO4+ @u2: 2@u2

    @u22 +2

    Tmls 2

    cats dlssohvad lfto J gorelfc 0

    , slf`a 0 lofs ira yahhow, tmaragora sohutlof davahops yahhow `ohour.

    ^RO^ARTLAP ;(l) Lt ls i dirj vlohat sohld, ufdarcoas subhleitlof, haist sohubha (ieofc mihocafs) lf witar but eu`m eora

    sohubha lf J(iq.) dua to goreitlof og J0. Lt ls sohubha lf orcifl` sohvafts hlja @M@h

    0, @@h

    4at`. to cat vlohat

    sohutlofs.

    (ll) Rai`tlof wltm mypo ;

    P2

    O0

    2 (tmlosuhpmita lofs) +2

    P4O

    72 (tatritmlofita lofs) + 2

    Tmls rai tlof ls tma bisls og lodoeatrl tltritlof, wml`m ls irrlad out gor tma astleitlof og lodlfa uslfc stir`m

    lfdl`itor.

    (lll) Rai`tlof wltm FM0

    ;

    FM0(c) +

    2 Fo Rai`tlof

    FM (iq) + (s) F . FM + 0M0 2 0 0

    (Ieeofli hlquor)

    I shurry ls goreadwml`m `if ba drlad

    ifd of mieearlfc ltaxphodas `iuslfc

    soufd (`rijars)

    if axphoslva(Fltrocaftrllodldaieeoflitad)

    =F0. FM

    0 1F

    2+ ,^t 2M

    (ll) By maitlfc i mihlda wltm `of`aftritad i`ld ;

    (i) Fi@h + M2PO

    4 @91> FiMPO

    4+ M@h

    FiMPO4+ Fi@h

    @11>Fi

    2PO

    4+ M@h

    Tmls eatmod ls `ihhad is siht `ija eatmod is lt lfvohvas tma goreitlof og FiMPO4(siht `ija).

    M@h `iffot ba drlad ovar ^2O

    1(^

    4O

    9>) or qul`j hlea slf`a tmay rai`t wltm cis `mael`ihhy.

    @iO + 2M@h @i@h2

    + M2O

    ^4O

    9> + 0M@h ^O@h

    0+ 0M^O

    0

    M@h ls, maf`a drlad by pisslfc tmroucm of`aftritad M2PO4.

  • 8/12/2019 17 to 18 Group Theory_E

    8/23

    "eiflsmjueirpmysl`s.lf" =

    @MAELPTR\

    (b) MBr (or M) `iffot ba prapirad by maitlfc broelda (lodlda) wltm `of`aftritad M2PO

    4ba`iusa MBr

    ifd M ira strofc radu`lfc icafts ifd radu`a M2PO

    4to PO

    2ifd cat tmaesahvas oxldlsad to broelfa

    ifd lodlfa raspa`tlvahy.

    J] + M2PO

    4 JMPO

    4+ M]

    M2PO

    4+ 2M] PO

    2+ ]

    2+ 2M

    2O (] 5 Br or)

    Maf`a, MBr ifd M ira prapirad by maitlfc broeldas ifd lodldas raspa`tlvahy wltm `of`aftritad M0^O

    4.

    0JBr(J) + M0^O

    4 J

    0^O

    4+ 0MBr (M)

    (lll) By rai tlof og 4(Hiboritory Eatmod) ;^

    4+ 7Br

    2(7

    2) 4^Br

    0(4^

    0) (produ`t lf sltu)

    ^Br0(^

    0) + 0M

    2O 0MBr (M) + M

    0^O

    0

    (lv) By pisslfc M2P/PO

    2lfto sohutlofs og mihocafs ;

    M2P + ]

    2 2M] + P

    PO2+ 2M

    2O + ]

    2 2M] + M

    2PO

    4

    ^RO^ARTLAP ;

    (l) Tmasa ira ohourhass, pufcaft seahhlfc cisas wltm i`ldl` tistas.

    (ll) Tmasa ira faltmar `oebustlbha for supportar og `oebustlof.

    (lll) Smaf parga`thy dry, tmay miva fo i tlof of hlteus, but lf prasaf`a og eolstura, tmay turf bhua hlteus rad,

    smowlfc i`ldl` fitura. Ieofc M], Mls tma strofcast ifd MG ls tma waijast i`ld.

    (lv) Tmasa ira qulta sohubha lf witar.

    M@h loflsas is bahow ; M@h(c) + M2O () M

    0O+ (iq) + @h (iq) : J

    i5 9>3

    Lt iquaous sohutlof ls `ihhad mydro`mhorl` i`ld. Mlcm vihua og dlsso`litlof `ofstift (Ji) lfdl`itas tmit lt ls i

    strofc i`ld lf witar.

    Smaf tmraa pirts og of`aftritad M@h ifd ofa pirt og of`aftritad MFO0

    ira elxad, iqui racli ls goread

    wml`m ls usad gor dlssohvlfc fobha eatihs, a.c., cohd, phitlfue.

    Iu + 4 M+ + FO0 + 4 @h ZIu@h

    4U + FO + 2 M

    2O

    0 ^t + 97 M+ + 4 FO0

    + 9= @h 0 Z^t@h7U2 + 4 FO + = M

    2O

    (v) Radu`lfc proparty ifd stiblhlty og mydri`lds ;M@h ; Lt ls qulta stibha ifd maf`a ls oxldlsad by strofc oxldlslfc icafts hlja EfO

    2, JEfO

    4, J

    2@r

    2O

    3,

    ^bO2, ^b

    0O

    4.

    (l) EfO2+ 4M@h Ef@h

    2+ 2M

    2O + @h

    2

    (ll) 2JEfO4+ 97M@h 2J@h + 2Ef@h

    2+ =M

    2O + 1@h

    2

    (lll) J2@r

    2O

    3+ 94M@h 2J@h + 2@r@h

    0+ 3M

    2O + 0@h

    2

    (lv) ^bO2+ 4M@h ^b@h

    2+ 2M

    2O + @h

    2 : (v) b

    0O

    4+ =M@h 0^b@h

    2+ 4M

    2O + @h

    2

    Tmaragora, M@h ls i waij radu lfc icaft.

    MBr ; Lt ls fot vary stibha ifd maf`a eora aislhy oxldlsad or i`ts is i strofc radu`lfc icafts. Lf iddltlof

    to ibova radu`lfc propartlas og M@h, lt ihso radu`as M2PO

    4to PO

    2wml`m ls fot dofa by M@h.

    M2PO4+ MBr PO2+ Br2+ 2M2OIquaous MBr of axposura to iteospmarl` oxycaf ls oxldlsad to broelfa (yahhow)

    4MBr + O2

    2 Br2+ 2M

    2O

    M ; Lt ls haist stibha mydrocaf mihlda. Lt ls raidlhy oxldlsad ifd tmus i`ts is i powarguh radu`lfc icaft.Lf iddltlof to rai`tlof smowf by M@h, lt smows gohhowlfc rai`tlofs ihso.

    (i) M2PO

    4+ 2M PO

    2+

    2+ M

    2O : M

    2PO

    4+ 7M P + 0

    2+ 4M

    2O:

    M2PO

    4+ =M M

    2P + 4

    2+ 4M

    2O :

    (b) 2MFO0+ 2M 2FO

    2+

    2+ 2M

    2O (`) 2MFO

    2+ 2M 2FO +

    2+ 2M

    2O

    (d) MO0

    + 1M 02+ 2M

    2O (a) J

    2P

    2O

    =+ 2M J

    2PO

    4+

    2+ M

    2PO

    4

    (g) 2Ga@h0+ 2M 2Ga@h

    2+

    2+ 2M@h

    Iquaous sohutlof og i`ld, lg axposad to O2ls oxldlsad to lodlfa.

    4M+ O2

    22+ 2M

    2O

  • 8/12/2019 17 to 18 Group Theory_E

    9/23

    "eiflsmjueirpmysl`s.lf" % sohutlof.

    ^RO^ARTLAP ;

    (l) Lt ls `ohourhass, orroslva hlquld wltm pufcaft seahh wltm mlcm bolhlfc polft dua to mydrocaf bofdlfc.

    (ll) Dry MG doas fot itti`j eatihs ufdar ordlfiry `ofdltlofs (ax`apt J), but lf prasaf`a og witar lt

    dlssohvas eatihs wltm hlbaritlof og mydrocaf cis.

    (lll) Lt ls i waij dlbisl` i`ld (dua to strofc MG bofd) ifd gores two sarlas og siht.

    FiOM + M2G

    2 FiMG

    2+ M

    2O : FiMG

    2+ FiOM 2FiG + M

    2O

    (lv) MG ihso rai`t rai`ts wltm @@h4to gore graofs.

    @@h4+ MG @G@h0+ M@h : @G@h0+ MG @G2@h2 + M@h.

  • 8/12/2019 17 to 18 Group Theory_E

    10/23

    "eiflsmjueirpmysl`s.lf" 9>

    @MAELPTR\

    Axiepha-4 (i) Smaf M@h rai`ts wltm glfahypowdarad lrof, lt gores garrous `mhorlda ifd fot garrl `mhorlda.

    wmy ?

    (b) @mhorlfa witar turfs bhua hlteus rad but sohutlof ba`oeas ohourhass igtar soeatlea.

    P o h u t l o f (i) Lt gores M2

    cis.

    Ga + 2 M@h Ga@h2+ M

    2.

    Hlbaritlof og mydrocaf pravafts tma goreitlof og garrl` `mhorlda.

    (b) Bhuahlteus `mifca lfto rad dua toi`ldl fitura(@h2

    + M2O MO@h+ M@h) but lt ls bhai`mlfc

    icaft ihso (oxldlslfc icaft),tmaragora, lt da`ohourlsas tma rad hlteus.

    O]LDAP OG @MHORLFA ;

    @MHORLFA DLO]LDA (@hO2) ;

    ^RA^IRITLOF ;

    (l) 2 Fi@hO0+ PO

    2+ M

    2PO

    4 Fi@hogtri`as 2@hO

    2+ 2FiMPO

    4

    @mhoritas og sodlue ifd potisslue `if ba usad

    (ll) 2J@hO0+ 2 M2@2O4 @ 2@hO2(c) + 2@O2(c) + J2@2O4+ 2M2O

    (lll) 2Ic@hO0+ @h

    2 @ 2Ic@h (wmlta) + 2@hO2+ O2

    (lv) @h2O

    7+ F

    2O

    4 @hO

    2+ ZFO

    2+U Z@hO

    4U

    (v) 2M@hO0

    + 2M@h 2@hO2+ @h

    2+ 2M

    2O

    ^RO^ARTLAP ;

    (l) \ahhow cis it rooe taeparitura dlssohvas lf witar avohvlfc mait ifd clvlfc i dirj craaf sohutlof.

    @hO2

    hlcmt @hO + ZOU

    Lt jlhh bi`tarli battar tmif @h2.

    (ll) Rai`tlof wltm ozofa ;2@hO2+ 2O

    0 M @h

    2O

    7(yahhow sohld) + 2O

    2

    dl`mhorlfa maxi oxlda

    Lf tma rai`tlof O0ls bamivlfc is if oxldlslfc icaft.

    @hO2

    dlssohvas lf FiOM gorelfc `mhorlta ifd `mhorita.

    @h2O

    7(s) ls i elxad ifmydrlda og M@hO

    0ifd M@hO

    4ba`iusa of dlssohvlfc lf witar lt clvas i elxtura

    og tmasa two i`lds.

    2@h2O

    7+ 4FiOM 2Fi@hO

    0+ 2Fi@hO

    4+ 2M

    2O.

    Lf sohld stita, @h2O7 axlsts is @hO2

    +

    ifd @hO4

    .

    (lll) Rai`tlof wltm ihjihlfa M2O

    2;

    Lf tmls rai`tlof M2

    O2

    i`ts is i radu`lfc icaft. Lt radu`as @hO2lfto @hO

    2

    M2O

    2 2M+ + O

    2+ 2a

    a + @hO2

    @hO2

    U 2

    M2

    O2+ 2@hO

    2 2@hO

    2 + 2M+ + O

    2

    or M2O

    2+ 2@hO

    2+ 2OM 2@hO

    2

    + 2M2O + O

    2

  • 8/12/2019 17 to 18 Group Theory_E

    11/23

    "eiflsmjueirpmysl`s.lf" 99

    @MAELPTR\

    (lv) Rai`tlof wltm M ;Lf tmls rai`tlof Mbamivas is i radu`lfc icaft wmara lt radu`as @hO

    2lfto @h ifd ltsahg ls oxldlsad to

    2.

    Z1a + 4 M+ + @hO2

    @h + 2M2OU 2

    Z2 2

    + 2aU 1

    2@hO2+ =M+ + 9> 1L

    2+ 2@h + 4M

    2O

    Dl`mhorlfa Eofoxlda (@h2O) ;

    ^RA^IRITLOF ;

    2@h2+ McO2 (Grasmhy prapirad pra`lpltita, browf) @0>> Mc@h

    2. McO + @h

    2O

    ^RO^ARTLAP ;

    @h2O ls yahhow-browf cis vary sohubha lf witar.

    0@h2O + 9>FM

    0 7FM

    4@ h + 2 F

    2+ 0M

    2O

    @h2O + 2FiOM 2FiO@h + M

    2O

    BHAI@MLFC ^OSDAR (@[email protected]

    2O)

    Bhai`mlfc powdar ls ihso `ihhad `ih`lue `mhoromypo`mhorlta ba`iusa lt ls `ofsldarad is i elxad siht og

    mydro`mhorl` i`ld ifd mypo`mhorous i`ld.

    @i(O@h)@h

    ^RA^IRITLOF;

    @i(OM)2

    + @h2

    @>

    4>@i(O@h)@h + M

    2O

    ^ropartlas(l) Lt ls i piha yahhow powdar. Lt mis i strofc seahh og `mhorlfa. Lt ls sohubha lf witar but i `hair sohutlof

    ls favar goread dua to tma prasaf`a og lepurltlas.

    (ll) Of hofc stifdlfc, lt ufdarcoas iutooxlditlof lfto `ih lue `mhorita ifd `ih lue `mhorlda.7 @iO@h

    2 @i(@LO

    0)

    2+ 1 @i@h

    2

    (lll) 2 @iO@h2

    2@o@h 2 @i@h2+ O

    2

    (lv) Lf prasaf`a og i hlttha ieouft og i dlhuta i`ld, lt hosas oxycaf.

    2 @iO@h2+ M

    2PO

    4 @i@h

    2+ @iPO

    4+ 2 M@hO

    M@hO M@h + OOf i``ouft og tma hlbaritlof og fis`aft oxycaf, lt smows oxldlslfc ifd bhai`mlfc propartlas.

    (i) Oxldlslfc propartlas

    @iO@h2+ M

    2P @i@h

    2+ M

    2O + P

    @iO@h2+ 2 JL + 2 M@h @i@h

    2+ 2 J@h + M

    2O + L

    2

    0 @iO@h2+ 2 FM

    0 0 @i@h2+ 0 M2O + F2 Lt oxldlsas FO

    2 to FO

    0 , IsO

    00 to IsO

    40 ifd Ga2+ to Ga0+ (lf i`ldl` eadlue)

    (b) Bhai`mlfc i`tlof

    @ohourad eittar + ZOU `ohourhass produ`t.(v) Smaf bhai`mlfc powdar rai`ts wltm dlhuta i`lds or @O

    2lt hlbaritas `mhorlfa wml`m ls jfowf is ivilhibha

    `mhorlfa.

    @iO@h2

    + 2 M@h @i@h2+ M

    2O + @h

    2

    @iO@h2+ M

    2PO

    4 @iPO

    4+ M

    2O + @h

    2

    @iO@h2

    + @O2

    @i@O0

    + @h2

    MFO0ls i strofc oxldlslfc i`ld to ba ivoldad, mara.

  • 8/12/2019 17 to 18 Group Theory_E

    12/23

    "eiflsmjueirpmysl`s.lf" 92

    @MAELPTR\

    APTLEITLOF OG IWILHIBHA @MHORLFA ;

    Hat tma walcmt og siepha og bhai`mlfc powdar ba S c.

    Idd lfto i baijar `oftilflfc i`atl` i`ld sohutlof ifd ax`ass J. I yahhow browf sohutlof ls goread (0)

    2

    + 0

    Fow gaw drops og stir`m sohutlof ls iddad lfto lt. If lftafslva bhua `ohor ls obsarvad. Fow mypo ls usad is

    tma tltrift. Fota tma vohuea wmara tma bhua `ohour dlsippair.

    Rai`tlof lfvohvad ;

    @iO@h2

    + 2@M0@OOM (@M

    0@OO)

    2@ i + M

    2O + @ h

    2

    @h2+ 2J 2J@h + 2

    2+ 2P

    2O

    02 P

    4O

    72 + 2

    @ih`uhitlof ; %@h 5 9>>S

    392

    9UWEZ mypomypo

    (vl) Bhai`mlfc powdar `ofvarts i`atofa or atmyh ih`omoh lfto @M@h0

    @iO@h2

    + M2O @i(OM)

    2+ @h

    2

    @M0@O@M

    0+ 0 @ h

    2 @@h

    0@O@M

    0+ 0 M @ h

    2 @@h0@O@M

    0+ @i(OM)

    2

    (@M0@OO)

    2@i + 2 @M@h

    0

    O]\-I@LDP OG Mihocafs ;

    MO] PARLAP ;

    M\^O-GHOROQP I@LD ZMOGU ;

    MOG mis baaf prapirad by tripplfc G2

    ifdM2O lf ufrai`tlva eitrlx og sohld F

    2it vary how taeparitura ifd

    pmotohyslfc tma cisas.

    G2+ M

    2O mv MOG + MG

    Ra`aft eatmod ls by pisslfc, G2ovar l`a it >@ ifd raeovlfc tma produ`t lfto i `ohd trip.

    M2O + G

    2

    4>@ MOG + MG

    MO@h, MOBr ifd MOh ira fot vary stibha ifd ira jfowf ofhy lf iquaous sohutlof.

    M\^O-@MHOROQP I@LD ZM@hOU ;

    ^RA^IRITLOF ;

    (l) Tma i`ld ls jfowf ofhy lf sohutlof, Lt ls obtilfad by smijlfc pra`lpltita og McO wltm mhorlfa witar.

    2McO + 2@h2

    + M2O Mc

    2O@h

    2(Oxy mhorlda og ear`ury) + 2M@hO

    (ll) @oeear`lihhy, lt ls obtilfad by pisslfc @O2tmroucm suspafslof og bhai`mlfc powdar ifd tmaf dlstlhhlfc.

    2@iO@h2+ M

    2O + @O

    2 @i@h

    2+ @i@O

    0+ 2M@hO

    Eixleue `of`aftritlof obtilfad ls 21% is lf tma pro`ass og dlstlhhitlof, tma i`ld da`oeposas lfto lts

    ifmydrldas, @h2O.

    2MO@h M2O + @h2O

  • 8/12/2019 17 to 18 Group Theory_E

    13/23

    "eiflsmjueirpmysl`s.lf" 90

    @MAELPTR\

    ^RO^ARTLAP ;(l) Lt ls i waij i ld. Lts `of`aftritad sohutlof ls yahhow lf `ohour wmlha dlhuta sohutlof ls `ohourhass. Lt ls ufstibha

    ifd da`oeposas.

    2M@hO 2M@h + O2

    (ll) Lt dlssohvas eicfaslue wltm avohutlof og mydrocaf.

    Ec + 0M@hO Ec(@hO)2+ M

    2

    (lll) Sltm ihjihlas, lt gores sihts `ihhad mypo`mhorltas.

    (lv) Lt i ts is i powarguh oxldlslfc ifd bhai`mlfc icaft. Tmls ls dua to rahaisa og fis`aft oxycaf aislhy.

    M@hO M@h + O

    M]O2

    PARLAP ;

    @MHOROQP I@LD ZM@hO2U ;

    ^RA^IRITLOF ;Lt ls obtilfad lf iquaous sohutlof wmaf birlue `mhorlta suspafslof lf witar ls traitad wltm M

    2PO

    4. Tma

    lfsohubha birlue suhpmita ls glhtarad ogg.

    Bi(@hO2)

    2+ M

    2PO

    4 BiPO

    4+ 2M@hO

    2

    ^RO^ARTLAP;

    (l) Tma grasmhy prapirad sohutlof ls `ohourhass but lt soof da`oeposas to @hO2 wml m eijas tma sohutlof yahhow.

    1 M@hO2

    4 @hO2+ M@h + 2M

    2O

    (ll) Pihts og M@hO2

    ira `ihhad `mhorlta ifd prapirad by ofa og tma gohhowlfc eatmods.

    2@hO2+ 2FiOM Fi@hO

    2+ Fi@hO

    0+ M

    2O

    2@hO2+ Fi

    2O

    2 2Fi@hO

    2+ O

    2

    @mhorltas ira usad is bhai`mas. Tmay ira stibha lf ihjihlfa sohutlof avaf wmaf bolhad, but lf i`ld sohutlof

    tmay dlsproportlofita, pirtl uhirhy wmaf maitad.

    1M@hO2

    4@hO2+ M@h + 2M

    2O ifd 4M@hO

    2 2@hO

    2+ M@hO

    0+ M@h + M

    2O

    (lll) Tma i ld hlbaritas lodlfa groe J

    4J+ M@hO2+ 2M

    2O 4JOM + M@h + 2

    2

    M]O0PARLAP@MHORL@ I@LD ZM@hO

    0U ;

    ^RA^IRITLOF ;Tmls i ld ls ofhyjfowf lf sohutlof. Tma i ld ls prapirad bytma i tlof og tma dlhuta M

    2PO

    4of birlue `mhorita.

    Bi (@hO0)

    2+ M

    2PO

    4 BiPO

    4 + 2M@hO

    0.

    Igtar rai`tlof, BiPO4

    ls raeovad by glhtritlof, ifd tma glhtrita ls aviporitad lf vi`uue tlhh 4> par`aft sohutlof

    ls obtilfad. Mowavar, gurtmar `of`aftritlof by aviporitlof haids to da`oeposltlof.

    0M@hO0

    M@hO4+ @h

    2+ 2O

    2+ M

    2O

    MBrO0

    `if ba prapirad by slelhir eatmod uslfc Bi(BrO0)

    2.

    ^RO^ARTLAP ;@of`aftritad i`ld ls `ohourhass ifd pufcaft seahhlfc hlquld. Lt da`oeposas lf hlcmt. Mowavar, lt ls stibha lf

    dirj. Lt i`ts is i strofc oxldlslfc ifd bhai`mlfc icaft lf hlcmt. Orcifl substif`as hlja pipar, `ottof, wooh,

    at`., `it`m glra lf `ofti`t wltm tma i`ld.

    M@hO0oxldlsas PO

    2to PO

    0; M@hO

    0+ 0PO

    2 M@h + 0PO

    0

    M@hO0

    wmaf aviporitas to dryfass da`oeposas clvlfc @hO2.

    4M@hO0

    4@hO2(c) + 2M

    2O(c) + O

    2(c)

    MBrO0 ls fot vary stibha, but ls jfowf lf sohutlof, ifd is sihts.

    MhO0

    ls goread by oxlditlof og L2

    wltm of`aftritad MFO0

    or O0.

    =M+ + 9>FO0 + L

    2 2LO

    0 + 9>FO

    2+ 4M

    2O

    hO0 oxldlsas L to L

    2; hO

    0 + 1L + 7M+ 0h

    2+ 0M

    2O

    Lodl` i`ld ls raisofibhy stibha ifd axlsts is i wmlta sohld.

  • 8/12/2019 17 to 18 Group Theory_E

    14/23

    "eiflsmjueirpmysl`s.lf" 94

    @MAELPTR\

    2J@hO0 2EfO

    @91> 2J@h + 0O2

    4J@hO0

    ataepariturhow 0J@hO4+ J@h (lf ibsaf`a og `itihyst)

    2[f(@hO0)

    2 2[fO + 2@h

    2+ 1O

    2

    @mhoritas ira usad lf glra worj.

    ^AR@MHORL@ I@LD ZM@LO4U ;

    ^RA^IRITLOF;(l) Lt ls tma eost stibha oxy-i`ld og `mhorlfa. Ifmydrous M@hO

    4ls obtilfad by dolfc dlstlhhitlof og J@LO

    4

    (potisslue par`mhorita), wltm

    (B) PO0

    (@) @h2O

    7 (D) PO

    2

    P o h u t l o f (@) @h2O7 wmaf dlssohvas lf witar produ`as M@hO0 ifd M@hO4, tmaragora, lt ls elxad ifmydrlda.

  • 8/12/2019 17 to 18 Group Theory_E

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    "eiflsmjueirpmysl`s.lf" 91

    @MAELPTR\

    Axiepha-= Clva ipproprlita raisofs gor ai`m og tma gohhowlfc ;

    (i) Iddltlof og @h2to JL sohutlof clvas lt i browf `ohour but ax`ass og @h

    2turfs lt `ohourhass.

    (b) ^ar mhorl i`ld ls i strofcar i`ld tmif suhpmurl` i`ld.

    (`) ML `if fot baprapirad bymaitlfcFiL wltm`of`aftritad M2PO

    4.

    P o h u t l o f (i) @h2

    balfc i strofcar oxldlslfc icaft tmif L2, glrst oxldlsas JL toL

    2wml`m lepirts browf `ohour

    to tma sohutlof. But wmaf @h2ls pissad lf ax`ass, tma L

    2so goread cats gurtmar oxldlsad to

    MLO0

    (`ohourhass)

    2JL (iq) + @h2(c) 2J@h (iq) + L2(s) : 1@h2+ L2 + 7M2O 9>M@h + 2MLO0(b) Oxlditlof stita og @h lf M@hO

    4ls + 3 ifd tmit og P lf M

    2PO

    4ls + 7. (@h ls eora aha`trofacitlva

    tmif P). Is i rasuht, @hO0pirt og M@hO

    4`if braij tma OM bofd eora aislhy to hlbarita i

    protof tmif PO2pirt lf M

    2PO

    4. Tmus M@hO

    4ls i strofcar i`ld tmaf M

    2PO

    4.

    ( ) ML ls i strofcar radu`lfc icaft. Lt, tmaragora, radu`as M2PO

    4to PO

    2ifd ltsahg cats oxldlsad

    to L2.

    FiL + M2PO

    4 FiMPO

    4+ MLU 2

    M2PO

    4+ 2ML PO

    2+ L

    2+ 2M

    2O

    2FiL + 0M2PO

    4 2FiMPO

    4+ L

    2+ 2M

    2O + PO

    2

    Poea leportift ordar(i) I`ld strafctm

    (l) M6 MBr 6 M@h 6 MG (ll) MO@h 6 MOBr 6 MO (lll) M@hO4

    6 M@hO0

    6M@hO2

    6 M@hO

    (b) Oxldlslfcpowdar

    (l) G26 @h

    26 Br

    26

    2

    (ll) BrO4 6 LO

    4 6 @hO

    4 (I``ordlfc to aha troda potaftlih)

    ( ) Ordar og dlsproportlofitlofs

    0 ]O 2] + ]O0

    (mypomihlta lof) : O 6 BrO 6 @hO

    ^saudo mihocafs ifd psaudo mihldas ;Poea lforcifl `oepoufds `ofslstlfc og two or eora itoes og wml m it haist ofa ls F miva baaf goufd to

    bamiva hlja mihocafs & tmay ira jfowf is psaudo mihocaf sohlds, a.c. (@F)2

    `yifocaf, (P@F)2

    tmlo`yifocaf,

    (Pa@F)2 sahafo`yifocaf, (P@PF0)2 izldo`irbofdlsuhpmlda. Plelhirhy gaw lofs ira jfowf tmit miva propartlasslelhir to tmosa og tma mihlda lofs. Tmay ira tmaragora `ihhad psaudomihlda lofs, a.c. (@F) `yiflda lof,

    (P@F) tmlo`yifita lof, (Pa@F) sahafo`yifita lof, (O@F) `yifita lof, (F@F)2 `yifielda lof,

    (F0) izlda lof at`.

    LFTARMIHOCAF @OE^OQFDP ;Sa jfow tmit mihocaf itoes miva dlggaraft aha`trofacitlvlty. Dua to tmls dlggaraf`a lf aha`trofacitlvlty tma

    mihocaf itoes `oeblfa wltm ai`m otmar ifd clva rlsa to tma goreitlof og blfiry `ovihaft `oepoufds, wml`m

    ira `ihhad lftarmihocaf `oepoufds. Tmasa ira og gour typas.

    IB IB0

    IB1

    IB3

    @hG @hG0

    @hG1

    hG3

    BrG BrG0

    BrG1

    L@h L@h0 LG1LG LG0

    ^RA^IRITLOF ;

    (l) By tma dlra`t `oeblfitlof og mihocafs ;

    @h2

    + G2

    (aquih vohueas) J430 2@hG : @h2+ 0G2(ax`ass) J130 2@hG0 :

    L2+ @h

    2 2L@h :

    (aquleohir)

    Dlhutad wltm witar ; Br2(c) + 0G

    2 2BrG

    0

    G2ls dlhutad wltm F

    2; L

    2+ 0G

    2 @3= 2LG

    0

    G2ls tijaf lf graof ; Br2+ 1G2(ax`ass) 2BrG1

    LG3`if fot ba prapirad by dlra`t `oeblfitlof og L

    2& G

    2.

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    "eiflsmjueirpmysl`s.lf" 97

    @MAELPTR\

    (ll) Groe howar lftarmihocafs ;

    @hG + G2

    @hG0

    : @hG0+ G

    2(ax`ass)

    @01>@hG

    1

    BrG0+ G

    2(ax`ass)

    @2>>BrG

    1: LG

    1+ G

    2 @23> LG

    3

    Tmls eatmod ls cafarihhyipphlad gor tma prapiritlof og mihocaf ghuorldas.

    (lll) Otmar eatmods;

    7M@h + JLO0+ 2JL 2J@h + 0M

    2O + 0L@h

    @h2+ @hG

    0 @01>21> 0@LG : J@h + 0G

    2 @2>> JG + @hG

    1

    0h2

    + 1IcG 1Ich + hG1

    : =G2+ ^bL

    2 ^bG

    2+ 2hG

    3

    ^RO^ARTLAP ;

    (l) Tmasa oepoufds eiy ba cisas, hlqulds or sohlds.

    Cisas ; @hG, BrG, @hG0, LG

    3: Hlqulds ; BrG

    0, BrG

    1: Pohlds ; L@h, LBr, LG

    0, L@h

    0.

    (ll) Lftarmihocafs `oftilflfc ghuorlfa ira `ohourhass but lftar mihocafs `ofslstlfc og maivlar mihocafs

    ira `ohourad. Tma lftafslty og `ohour lf`raisas wltm lf`raisalf tma eoha`uhir walcmt og tma`oepoufds.

    (lll) Ihh lftarmihocafs ira `ovihaft eoha`uhas ifd ira dlieicfatl` lf fitura slf`a ihh tma vihaf`a aha trofs

    prasaft is bofdlfc or fof-bofdlfc aha`trofs ira pilrad.

    (lv) Tma bolhlfc polfts lf`raisas wltm tma lf`raisa lf tma aha`trofacitlvlty dlggaraf`a batwaaf I ifd Bitoes.

    (v) Tmareih stiblhlty ogIB typa lftarmihocaf `oepoufds da raisas wltm tma da raisa lf aha`trofacitlvlty

    dlggaraf`a batwaaf I ifd B itoes. LG 6 BrG 6 @hG 6 L@h 6 LBr 6 Br@h.

    Eora pohir ls tma I B bofd eora ls tma stiblhlty og lftarmihocaf.

    (vl) Lftarmihocaf `oepoufds ira eora rai tlva tmif tma piraft mihocafs but hass rai`tlva tmif G2.

    L@h + 2Fi FiL + Fi@hTma ordar og rai`tlvlty og soea lftarmihocafs ls is gohhows ;

    @hG06 BrG

    06 LG

    36 BrG

    16 BrG.

    (vll) Mydrohysls ; Ihh tmasa ufdarco mydrohysls clvlfc mihlda lof darlvad groe tma seihhar mihocaf ifd i

    mypomihlta (wmaf IB), mihlta (wmaf IB0), mihita (wmafIB

    1), ifd parmihita (wmafIB

    3) iflof darlvad

    groe tma hircar mihocaf.IB + M

    2O MB + MOI

    Br@h + M2O M@h + MOBr : L@h + M

    2O M@h + MLO

    L@h0+ 2M

    2O 0M@h + MLO

    2: LG

    1+ 0M

    2O 1MG + MLO

    0

    LG3+ 7M

    2O 3MG + M

    1LO

    7 : BrG

    1+ 0M

    2O 1MG + MBrO

    0

    Oxlditlof stita og I itoe doas fot `mifca durlfc mydrohysls.

    (vlll) Rai`tlof wltm fof-eatihhl ifd eatihhl` oxldas ;

    4BrG0+ 0PlO

    2 0PlG

    4+ 2Br

    2 + 0O

    2 : 4BrG

    0+ 2SO

    0 2SG

    7+ 2Br

    2 + 0O

    2

    (x) Rai`tlof wltm ihjihl eatih mihldas ;

    LBr + FiBr FiLBr2

    : L@h0+ J@h JL@h

    4

    QPAP ;Tmasa `oepoufds `if ba usad is fof iquaous sohvafts. Lftarmihocaf `oepoufds ira vary usaguh

    ghuorlfitlfc icafts. @hG0

    ifd BrG0

    ira usad gor tma produ`tlof og QG7

    lf tma afrl meaft og2 01Q .

    Q(s) + 0 @hG0(h) QG

    7(c) + 0 @hG (c)

    Axiepha-

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    "eiflsmjueirpmysl`s.lf" 93

    @MAELPTR\

    CROQ^ 9= AHAEAFTP ; (TMA [ARO CROQ^ GIELH\)

    Croup 9= `ofslsts og slx ahaeafts; mahlue, faof, ircof, jryptof , xafof ifd ridof . Ihh tmasa ira cisas ifd

    `mael`ihhy ufrai tlva. Tmay gore vary gaw `oepoufds . Ba`iusa og tmls tmay ira taread fobha cisas.

    O``urraf`a

    Ihh tma fobha cisas ax`apt ridof o``ur lf tma iteospmara. Tmalr iteospmarl` ibufdif`a lf dry ilr ls ~ 9%

    by vohuea og wml`m ircof ls tma eikor `ofstltuaft. Mahlue ifd soeatleas faof ira goufd lf elfarihs og

    ridloi`tlva orlclf a.c., plt mbhafda, eofizlta, `havalta. Tma eilf `oeear`lih sour a og mahlue ls fiturih cis.

    ]afof ifd ridof ira tma rirast ahaeafts og tma croup. Ridof ls obtilfad is i da`iy produ`t og 227

    Ri.

    Ri227== Rf222=7 + Ma

    42

    Eost ibufdift ahaeaft lf ilr ls Ir. Ordar og ibufdif`a lf tma ilr ls Ir 6 Fa 6 Jr 6 Ma 6 ]a.

    Aha`trofl` @ofglcuritlof

    Ihh fobha cisas miva cafarih aha`trofl` `ofglcuritlof fs2fp7 ax`apt mahlue wml`m mis 9s2 . Eify og tma

    propartlas og fobha cisas lf`hudlfc tmalr lfi`tlva fitura ira is`rlbad to tmalr `hosad smahh stru`turas.

    Loflsitlof Aftmihpy

    Dua to stibha aha`trofl` `ofglcuritlof tmasa cisas axmlblt vary mlcm loflsitlof aftmihpy . Mowavar, lt da-

    `raisas dowf tma croup wltm lf`raisas lf itoel` slza.

    Itoel` Ridll

    Itoel` ridll lf`raisa dowf tma croup wltm lf`raisa lf itoel` fuebar.

    Aha`trof Cilf Aftmihpy

    Plf`a fobha cisas miva stibha aha`trofl ofglcuritlofs, tmay miva fo tafdaf`y to i``apt tma aha`trof ifd

    tmaragora, miva hircar posltlva vihuas og aha trof cilf aftmihpy.

    ^mysl ih propartlas

    Ihh tma fobha cisas ira eofo-itoel`. Tmay ira `ohourhass, ifd tistahass. Tmay ira spirlfchy sohubha lf

    witar. Tmay miva vary how eahtlfc ifd bolhlfc polfts ba`iusa tma ofhy typa og lftaritoel` lftari`tlof lf

    tmasa ahaeafts ls waij dlsparslof gor`as,. Mahlue mis tma howast bolhlfc polft (4.2J) og ify jfowf sub-

    stif`a. Lt mis i ufusuih proparty og dlgguslfc tmroucm eost `oeeofhy usad hiboritory eitarlihs su`m is

    rubbar, chiss or phistl`s.

    Tibha ; 2

    I t o e l ` i f d p m y s l ` i h p r o p a r tl a s

    Ahaeaft Ma Fa Ir Jr ]a

    Itoel` Fuebar 2 9> 9= 07 14

    Itoel` Eiss 4 2>.9= 0 =0.=> 909.0>

    Aha`trofl` `ofglcuritlof 9s2 ZMaU 2s

    22p

    7ZFaU 0s

    20p

    7ZIrU 0d

    9>4s

    24p

    7ZJrU 4d

    9>1s

    21p

    7

    Itoel` Ridlus (pe) 92> 97> 9 2>> 22>

    Loflzitlof aftmihpy / (jK eoh9

    ) 2032 2>=> 912> 9019 993>

    Dafslty (it PT )/c `e0

    9.= 9>4

    9>4

    9.= 9>0

    0.3 9>0

    1.< 9>0

    Eahtlfc polft / J 24.7 =0.= 991.< 979.0

    Bolhlfc polft / J 4.2 23.9 =3.2 99

    @mael`ih ^ropartlas ; Lf cafarih, fobha cisas ira haist rai`tlva. Tmalr lfartfass to `mael`ih rai tlvlty ls ittrlbutad

    to tma gohhowlfc raisofs;

    (l) Tma fobha cisas ax apt mahlue (9s2) miva `oephatahy glhhad fs2 fp7 aha`trofl` `ofglcuritlof lf tmalr vihaf`asmahh.

    (ll) Tmay miva mlcm loflsitlof aftmihpy ifd eora posltlva aha trof cilf aftmihpy.

    Tma rai`tlvlty og fobha cisas mis baaf lfvastlcitad o``islofihhy avar slf`a tmalr dls`ovary, but ihh ittaept

    to gor`a tmae to rai`t to gore tma `oepoufds wara ufsu``assguh gor qulta i gaw yairs. Lf Eir`m 9 jK eoh 9). Ma eida aggorts to

    prapira siea typa og `oepoufd wltm ]a+ ^tG7 byelxlfc ^t G7 ifd ]afof.Igtar tmls dls`ovary, i fuebar ogxafof `oepoufds eilfhy wltm eost aha trofacitlva ahaeafts hlja ghuorlfa ifdoxycaf,miva baafsyftmaslsad.

  • 8/12/2019 17 to 18 Group Theory_E

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    "eiflsmjueirpmysl`s.lf" 9=

    @MAELPTR\

    Tma `oepoufds og jryptof ira gawar. Ofhy tma dlghuorlda (JrG2) mis baaf studlad lf datilh. @oepoufds og

    ridof miva fot baaf lsohitad but ofhy ldaftlglad (a.c., RfG2) by ridlotri`ar ta`mflqua. Fo trua `oepoufds og

    Ir, Fa or Ma ira yat jfowf .

    Lg Mahlue ls `oeprassad ifd hlqulglad lt gores Ma() hlquld it 4.2 J. Tmls hlquld ls i foreih hlquld hlja ify otmarhlquld. But lg lt ls gurtmar `oohad tmaf Ma() ls obtilfad it 2.2 J, wml`m ls jfowf is supar ghuld, ba`iusa lt lsi hlquld wltm propartlas og cisas. Lt `hlebs tmroucm tma wihhs og tma `oftilfar & `oeas out. Lt mis vary mlcm

    tmareih ofdu tlvlty & vary how vls`oslty.

    @hitmarita `oepoufds ;Lfart cis eoha`uhas cat trippad lf tma `icas goread by tma `rystih stru`tura og witar.

    Durlfc tma goreitlof og l`a ]a itoes wlhh ba trippad lf tma `ivltlas (or `icas) goread bytma witar eoha`uhas

    lf tma `rystih stru`tura og l`a. @oepoufds tmus obtilfad ira `ihhad `hitmarita `oepoufds.

    Tmara ira fo `mael`ih bofds. Tmay do fot possass if axi`t `mael`ih goreuhi but ipprox lt ls 7 witar

    eoha`uhas ; 9 lfart cis eoha`uha. Tma `ivlty slza ls kust seihhar tmif tma itoe og tma fobha cis. Pu`m

    `oepoufds ira ihso goread by tma otmar orcifl` hlqulds hlja dlmydroxybafzafa (gor axiepha qulfoh). Tma

    seihhar fobha cisas Ma ifd Fa do fot gore hitmrita `oepoufds ba`iusa tma cis itoes ira seihh afoucm

    to as`ipa groe tma `ivltlas. @hitmrita provldas i `ofvaflaft eaifs og storlfc ridloi`tlva lsotopas og Jr ifd

    ]a produ`ad lf fu hair rai`tors.

    Axiepha-9> Fiea tma fobha cis wml`m

    (I) ls eost ibufdift lf iteospmara. (B) mis haist bolhlfc polft.P o h u t l o f (I)Ircof.

    (B) Mahlue : Axlsts is eofo-itoel` eoha`uhas ifd ira mahd tocatmar by waij vif dar Siihs

    gor`as. Tmasa vif dar Siihs gor`as lf`raisa wltm tma lf`raisa lf itoel` slza og tma itoe, ifd

    tmaragora, tma bolhlfc polfts lf`raisas groe Ma to Rf. Maf`a Ma mis haist bolhlfc polft.

    Axiepha-99 Smit ls tma utlhlty og tma `hitmarita `oepoufds?

    P o h u t l o f Lt `if ba usad to sapirita elxtura og lfart cisas `oftilflfc siy Ma ifd ]a. ^ro`ass ls eu`m

    `maipar tmif siy dlstlhhitlof is i eaifs og sapiritlof.

    @OE^OQFDP OG ]AFOF ;

    ]AFOF DLGHQORLDA (]aG2);

    ^RA^IRITLOF;

    (l) ]a + G2 )Flogihhoy(eatiheofahorTubaFl

    bir9,J=30

    ]aG

    2

    Wohuea ritlo smouhd ba 2 ; 9 otmarwlsa otmar mlcmar ghuorldas tafd to gore.

    (ll) ]a + O2

    G2

    @99= ]aG2

    + O2

    (lll) ]a + G2

    )ir`(Mc ]aG2

    (lv) Ra`afthydls`ovarad eatmod ;

    J+ ZIcG4U Zpotisslue tatrighuoroircaftita ()U ls glrst prapirad ifd tmls ls rai`tad wltm BG

    0.

    J+ ZIcG4U 0BG IcG0(rad sohld) + JBG4

    2 IcG0+ ]a

    2IcG2(Browf sohld) + ]aG2

    ^RO^ARTLAP ;(l) @ohorhass `rystihhlfa sohld ifd subhleas it 2>>@

    ]aG2

    + M2

    ]a + 2MG

    (v) Mydrohysls ;

    (i) 2]aG2

    + 2M2O 2]a+ 4MG + O

    2(show)

    Tma ibova ls faltmar i `itlofl` mydrohysls for if iflofl mydrohysls is saaf lf lofl` aqulhlbrlue. Lt ls

    i `ovihaft `oepoufd ifd mydrohysls ls hlja tmit og ^@h1.

    (b) Mydrohysls ls eora ripld wltm ihjihl.

    ]aG2+ 2 FiOM ]a + O

    2+ 2FiG + M

    2O (gist)

    Tma rai`tlof (i) ls showar probibhy dua to dlssohutlof og ]aG2

    lf MG.

  • 8/12/2019 17 to 18 Group Theory_E

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    "eiflsmjueirpmysl`s.lf" 9

    @MAELPTR\

    ]AFOF TATRIGHQORLDA (]aG4) ;

    ^RA^IRITLOF ;

    ]a + 2G2

    tubaFl,bir

    ,J

    3

    =30]aG

    4

    9 ; 1

    ^RO^ARTLAP ;(l) Lt ls i `ohorhass rystihhlfa sohld ifd subhleas it 2;9

    G0]a 2tubaFl

    bir,J

    3>7>130 ]aG

    7 (ll) ]aG

    4+ O

    2G

    2 ]aG

    7+ O

    2

    ^RO^ARTLAP;

    (l) @ohourhass `rystihhlfa sohld ifd subhleas it 2

  • 8/12/2019 17 to 18 Group Theory_E

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    "eiflsmjueirpmysl`s.lf" 29

    @MAELPTR\

    (v) Rai tlof wltm slhl i (PlO2) ;

    2]aG7

    + PlO2

    2]aOG4

    + PlG4

    (vl) Tmareih da`oeposltlof (agga t og mait) ;

    2]aG7

    ]aG2

    + ]aG4

    + 0 G2

    ]aG2

    & ]aG4

    do fot ufdarco da`oeposltlof

    (vll) Goreitlof og iddltlof `oepoufds ;

    ]aG7+ PbG

    1 Z]aG1U+ ZPbG

    7U : ]aG

    7+ BG

    0 Z]aG1U+ ZBG

    4U

    (vlll) Rai tlof Sltm M2; ]aG

    7+ 0M

    2 7MG + ]a

    (lx) Rai tlof og ]aG7

    wltm ]aO0

    ; ]aO0

    +2]aG7

    0 ]aOG4

    (x) G dofitlfc/ G i``aptlfc propartlas ; ]aG7

    rai`ts wltm ghuorlda lof i``aptors to gore `itlofl spa`las ifd

    ghuorlda lof dofors to gore ghuoroiflofs.

    ]aG7

    + EG E+ Z]aG3U (E 5 Fi, J, Rb or @s)

    dofitlof { ]aG7

    + ^tG1

    (]aG1

    +) ( tG7

    )

    Axiepha-92 Doas tma mydrohysls og ]aG4it =>@ haid to i radox rai`tlof ?

    P o h u t l o f ]aG4

    + M2O @=> ]aOG2 + 2MG..

    Tma oxlditlof stitas og ihh tma ahaeafts lf tma produ`ts raeilf tma siea is lt wis lf tma rai`tlfc

    stita. maf`a, lt ls i fot radox rai`tlof .

    ]AFOFO]\CAF @OE^OQFDP ;

    Mydrohysls og ]aG4

    ifd ]aG7

    wltm witar clvas ]aO0.

    7 ]aG4+ 92 M

    2O 4 ]a + 2 ]aO

    0+ 24 MG + 0 O

    2

    ]aG7+ 0 M

    2O ]aO

    0+ 7 MG

    ^irtlih mydrohysls og ]aG7

    clvas oxyghuorldas, ]aOG4

    ifd ]aO2G

    2.

    ]aG7

    + M2O ]aOG

    4+ 2 M G

    ]aG7+ 2 M

    2O ]aO

    2G

    2+ 4 MG

    ]aO0

    ls i `ohourhass axphoslva sohld ifd mis i pyrieldih eoha`uhir stru`tura. ]aOG4

    ls i `ohourhass vohitlha

    hlquld ifd mis i squira pyrieldih eoha`uhir stru`tura.

    QPAP ;

    Mahlue ls i foflfghieeibha ifd hlcmt cis. Maf`a, lt ls usad lf glhhlfc bihhoofs gor eataorohocl`ih obsarvitlofs.

    Lt ls ihso usad lf cis`oohad fu`hair rai`tors. Hlquld mahlue (b.p.4.2 J) glfds usa is `ryocafl` icaft gor

    `irrylfc out virlous axparleafts it how taeparituras. Lt ls usad to produ`a ifd sustilf powarguh

    supar`ofdu`tlfc eicfats wml`m gore if assaftlih pirt og eodarf FER spa`troeatars ifd Eicfatl`

    Rasofif`a Leiclfc (ERL) systaes gor `hlfl`ih dlicfosls. Lt ls usad is i dlhuaft gor oxycaf lf eodarf dlvlfc

    ippiritus ba`iusa og lts vary how sohublhlty lf bhood.

    Faof ls usad lf dls`mirca tubas ifd ghuoras`aft buhbs gor idvartlsaeaft dlsphiy purposas. Faof buhbs ira

    usad lf botifl ih cirdafs ifd lf craaf mousas.

    Ircof ls usad eilfhy to provlda if lfart iteospmara lf mlcm taeparitura eatihhurcl`ih pro`ass (ir` wahdlfc

    og eatihs or ihhoys) ifd gor glhhlfc aha`trl` buhbs. Lt ls ihso usad lf tma hiboritory gor mifdlfc substif`as tmit

    ira ilrsafsltlva.

    ]afof ifd Jryptof ira usad lf hlcmt buhbs daslcfad gor spa lih purposas.

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    22/23

    "eiflsmjueirpmysl`s.lf" 22

    @MAELPTR\

    E L P @ A H H I F A O Q P P O H W A D A ] I E ^ H A P

    9. Ldaftlgy ZIU ZBU ifd Z@U ifd clvas tma `oephata `mael`ih rai`tlofs lfvohvad.

    Ifs. ZIU 5 Br : ZBU 5 BrO0

    : Z@U 5 `of`aftritad M2PO

    4

    Poh. 0Br2+ 7OM 1Br + BrO

    0 + 0M

    2O

    1Br + BrO0+ 7M+ 0Br

    2+ 0M

    2O

    2. @oeeaft of tma gohhowlfc.

    (i) Aha`trohysls og L@F lf pyrldlfa sohutlof.

    (b) Lodlfa dlssohvas lf ohaue.

    (`) Aha`trl`ih `ofdu`tlvlty og eohtaf lodlfa.

    Poh. (i) Lodlfa ls hlbaritad it itmoda lfdl`itlfc tma loflsitlof og L@F lfto L+ ifd @F.

    (b) Brlcmt bhua sohutlof ls goread wml m mis baaf smowf to miva L2+ ifd L0+.

    2 L2+ 7M

    2PO

    4. PO

    0 2L

    2+ + 2MP

    0O

    9> + 1M

    2PO

    4+ PO

    2

    0 L2+ 7M

    2PO

    4. PO

    0 2L

    0+ + 2MP

    0O

    9> + 1M

    2PO

    4+ PO

    2.

    (`) Lt ls dua to tma prasaf`a og (L0

    + ifd L0) spa`las produ`ad by sahg loflsitlof og lodlfa 0L2

    L0

    + + L0

    0. Smy ifmydrous MG hlquld ls fot aha`trohysad ihofa to cat G2?

    Poh. Ifmydrous MG ls ofhy shlcmthy loflzad ifd ls, tmaragora i poor `ofdu`tor og aha`trl`lty Tmus i elxtura og JG

    ifd MG ls aha`trohysad to lf`raisa tma `ofdu`tlvlty.

    4. Sml`m og tma gohhowlfc produ t(s) ls/ira obtilfad lf tma gohhowlfc rai`tlof

    JBrO0+ G2+ JOM produ`t(s)(I) JBrO

    4 (B) JG (@) MOG (D) Br

    2

    Poh. JBrO0+ G

    2+ 2JOM JBrO

    4+ 2JG + M

    2O. Ifs (I,B)

    1. Eit`m tma gohhowlfc .

    @ohuef - L @ohuef - LL

    (I) @LO2

    @L2O

    0 (p) Bolhlfc wltm FiOM sohutlof.

    (B) ZIL (OM)4U IL(OM)

    0 q Of pisslfc ozofa.

    @ ^4

    ^M0+ M

    2^O

    2 (r) Rai`tlof wltm mydrocaf.

    (D) ]aG2

    ]a (s) Of pisslfc @O2cis.

    Poh. (Iq) : (Bs) : (@p) : (Dp,r)

    (I) 2@LO2+ 2O

    0 @L

    2O

    7+ 2O

    2oxlditlof by ozofa.

    (B) @O2+ M

    2OM

    2@O

    0 @O

    02 + 2M+ 2IL0+ + 0@O

    02- + 0M

    2O 2IL(OM)

    0+ 0@O

    2

    Is i`ldl` proparty og IL(OM)0ls vary waij.

    (@) ^4+ 0FiOM + 0M

    2O wire/bolh ^M

    0+ 0FiM

    2^O

    2.

    ILjihlfa mydrohysls.

    (D) 2]aG2+ 4OM- 2]a + 4G + 2M

    2O + O

    2

    Ihjihlfa mydrohysls.

    ]aG2+ M2 2]a + 2MGRadu`tlof by mydrocaf.

  • 8/12/2019 17 to 18 Group Theory_E

    23/23

    @MAELPTR\

    7. Fi2P

    2O

    0eiyrai t wltm tma `oepoufds clvaf lf `ohuef (L). Fi

    2P

    2O

    0axmlblts tma propartlas og tma typa clvaf

    lf tma `ohuef (LL)

    @ohuef - L @ohuef - LL

    (rai`tift) (typa og proparty smowf)

    (I) @mhorlfa (@L2) (p) @oephaxlfc raicaft

    (B) Plhvar broelda (q) Dlsproportlofitlof

    (@) Mydro`mhorl` i`ld (r) Ofhy is radu`tift

    (D) Lodlfa (L2) (s) If-iftl`mhor

    Ifs. (I - r, s) : (B - p) : (@ - q) : (D - r)

    Poh. (I) Fi2 0

    2

    2 OP

    + 4@L2+ 1M

    2O 2FiM 4

    7

    OP

    + =M@L

    Lt dastroys ify ax`ass og `mhorlfa of gibrl` lf bhai`mlfc lfdustry. Tmus lt i`ts is iftl`mhor.

    (B) Ic+ + 2P2O

    02 ZIc (P

    2O

    0)

    2U0 (sohubha `oephax)

    (@) Fi2 0

    2

    2 OP

    +2M@L 2Fi@L + 24

    OP

    +O

    P + M2O

    (D) 2Fi2 0

    2

    2 OP

    + L2 Fi2P4O7+ 2FiL