ppt f5 2010 paper 2

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    SULIT

    Chemistry

    Paper 2May

    2010

    2 hours 30 minutes SMK SERI PERAK, PARIT BUNTAR 

    MID- YEAR EXAMINATION FORM 5 2010

    CHEMISTRY

    Paper 2

    2 Hours and 30 minutes

    DO NOT OPEN THIS BOOKLET UNTIL

    INSTRUCTED TO DO SO

    1. This question paper consists of 3 Sections

    2.  Answer question in section A in the space

     provided 

    3.  Answer question in section B and section C in

    the foolscap paper 

    4. The diagram in the question provided are not

    drawn to scale unless stated 

    5. You may use a non-programmable scientific

    calculator 

      This uestion !onsists o" 1# printed pa$es

    1

    Untu% &e$unaan Pemeri%sa

    'aha$ian Soa(an Mar%ah

    A

    1

    2

    3

    4

    5

    #

    B)

    *

    C+

    10

    ,um(ah 'esar 

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    Secti! A

    -"0 mars

     Answer #$$ questions in this section.

    1. /ia$ram 1 e(o shos the symo( "or atom o" e(ement L and M.

     

    /IM 1

    -a 6hat is the numer o" neutron in the nu!(eus in atom o" e(ement 7

    88888888888888888..88888888888888..........

      9 1 mar :

    - -i 6rite the e(e!tron arran$ement "or atom o" e(ement L.

    88888888888888888888888888888888....

    9 1 mar :

    -ii ;(ement o" L and M are p(a!ed in the same period in the Periodi! Ta(e. State

    the period and e

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    -ii /ra the dia$ram o" e(e!tron arran$ement "or the !ompound "ormed in -! -i.

     

    9 2 mars:

    -d ;(ement o" L and M a(so "ormed a !ompound. State a physi!a( property "or the

    !ompound.

     

    88888888888888888888888888888.888..9 1 mar  :

      -e 6rite the !hemi!a( euation "or the rea!tion o!!ur eteen e(ement o" L and M.

      88888888888888888888888888.888888..

    9 1 mar  :

    2. 50 !m3 o" su(phuri! a!id 1 mo( dm=3 and a "e drops o" pheno(phtha(ein is added into a

    !oni!a( "(as%. Potassium hydro

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    -! 6hat is the !o(our !han$e in the !oni!a( "(as% hen the end point is a!hie>ed.

    ................................................................................................................................888....

    9 1 mar :

    -d -i /etermine the numer o" mo( o" su(phuri! a!id used in the e

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    -e The e

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    -a

    &i' Ca(!u(ate the empiri!a( "ormu(a o" sustan!e %.Use the in"ormation atomi! mass re(ati>eA H 1B C 12B @1#

    9 2 mars:

    &ii' /etermine the mo(e!u(ar "ormu(a "or sustan!e %(

    9 2 mars:

    &iii' /ra the stru!tura( "ormu(a "or sustan!e %.

    9 1 mar :

    #

    Sustan!e % has re(ati>e mo(e!u(ar mass 4#.

    Composition o" e(ement a!!ordin$ to mass as "o((oACaron 52.2

    Hydro$en 13.0

    @

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    - Sustan!e & C2H4  produ!ed throu$h Pro!ess I is added ith romine ater in a test

    tue. State the oser>ation in the test tue.

     8888888888888888888888888888888........

    9 1 mar :

    -! -i Dame the type o" rea!tion in Pro!ess II.

    88888888888888888888888888888888...9 1 mar :

     -ii 6rite the !hemi!a( euation "or the rea!tion o!!ur in the Pro!ess II.

    88888888888888888888888888888888...

    9 1 mar :

    -d State a !hemi!a( property "or !ompound L.

    888888888888888888888888888888888

    9 1 mar :

    -e State a spe!ia( !hara!teristi! o" sustan!e M produ!ed in Pro!ess III.

    888888888888888888888888888888889 1 mar :

    4. /ia$ram 3 shos the set=up o" apparatus o" a !hemi!a( !e((.

    -a 6hat is the "un!tion o" the porous pot7

    ....................................................................................................................................

    91 mar :

    )

    Copper p(ateEin! p(ate

    Copper-II su(phate so(ution

    Ein! su(phate so(ution Porous pot

    /IM 3

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    - 6hat is the ener$y !han$e that o!!urs in the !e((7

    8888888888888888888888888888888........91 mar :

    -! State hi!h meta( p(ate a!ts as the 

    ne$ati>e termina( A

    888888888888888888888888888........................

     positi>e termina( A

    888888888888888888888888888........................

    91 mar :

    -d 6rite the ha(" euation o" the rea!tion at the

      ne$ati>e termina( A

    888888888888888888888888888........................

     91 mar :

     positi>e termina( A

    888888888888888888888888888........................

     91 mar :

    -e 6hat is the !o(our !han$e o" the !opper -II su(phate so(ution7 ;

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    5. Ta(e 1 shos "our types o" sa(ts.

     

    6ith re"eren!e to the sa(ts $i>en ao>e anser the "o((oin$ uestion A

    -a 6rite the !hemi!a( "ormu(a o" sodium !aronate.

    ....................................................................................................................................

    91 mar :

    - Dame the sa(t hi!h is inso(u(e in ater.

    .................................................................................................................................... 91 mar :

    -! -i 6hat is oser>ed hen Fin! nitrate sa(t is heated.

      ........................................................................................................................

      91 mar :

    -ii 6rite the !hemi!a( euation to represent the rea!tion.

    ........................................................................................................................92 mars:

    -d State the type o" rea!tion in the preparation o" (ead -II !h(oride sa(t.

      ....................................................................................................................................

    91 mar :

    -e /es!rie ho to >eri"y !opper-II ion and su(phate ion in !opper-II su(phate so(ution.

    Copper-II ion A

    .................................................................................................................................

    .................................................................................................................................

    +

    Sodium !aronate

    Ein! nitrate

    Lead-II !h(orideCopper-II su(phate

      T'L; 1

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    Su(phate ion A

    ..................................................................................................................................

    ...................................................................................................................................

    94 mars:

    #. /ia$ram 4 shos the steps in>o(>ed in the industria( pro!ess in manu"a!turin$ ammonia

     

    /IM 4

    -a Dame this industria( pro!ess

    88888888888888888888888888888888..

    9 1 mar :

    - State the pressure and the !ata(yst used in the rea!tion.

    88888888888888888888888888888888..

    9 2 mars:

    -! 6rite an euation "or the rea!tion in the !ata(yst !hamer.

    G

    88888888888888888888888888888888..9 2 mars:

    -d State !e use o" ammonia

    88888888888888888888888888888888..

    88888888888888888888888888888888..9 1 mars:

    10

     Ditro$en

    Hydro$en

     CompressedCata(yst

    !hamer   mmonia

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    -e

    -i 6hat is the e(ement added to iron in the ma%in$ o" stee(.

    888888888888888888888888888888

    9 1 mar :

    -ii ;

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    -20 mars

     Answer any !e question!The time suggested to answer this section is 3" minutes.

    ). Ta(e 2 shos the mo(e!u(ar "ormu(a and heat o" !omustion o" three types o" a(!oho(.

    A$c)$ M$ec*$#+ +*$#  Heat of combustion

    &.% $ -1'

    Methano( CH3@H )25

    ;thano( C2H5@H 1 3)#

    Propan=1=o( C3H)@H 2 015

    T'L; 2

    -a -i 6hat is the meanin$ o" the heat o" !omustion o" an a(!oho(7 9 1 mar :

    -ii ;a(ue o" heat o" !omustion o" the

    a(!oho(s in Ta(e 10.9 3 mars:

    - /es!rie an e

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    *. Ta(e 3 shos the e(e!tron arran$ement o" atom o" e(ement K and E.

    E$ee!t E$ect+! #++#!/ee!t

     

    KE

    2.*.2

    2.*.42.*.)

    T'L; 3

    -a State the Period o" the e(ements K and E in the Periodi! Ta(e7;

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    920 mars:

     Answer any one question!The time suggested to answer this section is 3" minutes

    +. -a 'y !hoosin$ a type o" unsaturated hydro!aron as an e

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    in"(uen!in$ the rate o" rea!tion. Ta(e 4 shos the resu(ts o" the e

    berlebihan

    5 minutes

    1 $ ma$nesium rion

    1$ pita magnesium

    Hydro!h(ori! a!id 0.5 mo( dm=3

    in e

    acid hidrolori "!$ mol dm-3

    berlebihan

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     94 mars:

    -

    -i /es!rie ho you !an !arry out an e