njhFg;G : jpU.nr.NfhFyhde;jd;> ,urhdatpay; Mrpupau; (ah/khdpg;gha; ,e;Jf;fy;Yhup)

fzpdp tbtikg;G : nry;tp.g.GUNrhj;jkp, j.njh.njh Mrpupau; (t/tTdpah jkpo; kj;jpa k.tp )

juk;-12,13 ,urhadtpay;

-d njhFg;G %yf rpf;fw; Nru;itfspd; ,ay;Gfis

Muha;tu;

njhFg;G : jpU.nr.NfhFyhde;jd;> ,urhdatpay; Mrpupau; (ah/khdpg;gha; ,e;Jf;fy;Yhup)

fzpdp tbtikg;G : nry;tp.g.GUNrhj;jkp, j.njh.njh Mrpupau; (t/tTdpah jkpo; kj;jpa k.tp )

juk;-12,13

d-njhFg;G cNyhf fw;wad;fspd; rpwg;gpay;Gfspy; xd;W ,izg;Gr; Nru;itfis cUthf;Fjy; MFk;.

,r;rpf;fyad;fs; ika cNyhf mad; kw;Wk; mjidr; #o ,uz;L my;yJ Nkw;gl;l ,izapfs; <jw; gpizg;gpdhy; ,iztjd; %yk; fl;bnaOg;gg;gLfpd;wd.

Fwpj;j cNyhf madpw;Fk; ,izapfSf;FkpilNa cUthFk; <jw; gpizg;Gf;fspd; vz;zpf;if mjd; ,izap vz; vdg;gLk;.

,izapfspy; xU <jw; gpizg;ig cUthf;ff; $ba ,izapfs; kl;Lkpd;wp xd;Wf;F Nkw;gl;l <jw;gpizg;ig cUthf;FtdTk; cz;L.

jhz;ly; cNyhff; fw;wad;fs; rpy H2O, Cl– Mfpa ,izapfSld; cUthf;Fk; rpf;fyad;fspd;

#j;jpuq;fSk; mtw;wpd; epwq;fSk; fPNo jug;gl;Ls;sd.

¨ ¨

¨

¨

H2N-CH2-CH2NH2 ¨ NH3

¨ Cl

-

H2O

xU <jw; gpizg;ig Vw;gLj;Jk; ,izap

(Monodentate) O ¨O¨H

C

O ¨O¨(-)

,U <jw; gpizg;G Vw;gLj;Jtd

fw;wad; ,izap

H2O Cl- NH3

Cr3+ [Cr(H2O)6]3+

ePy Cjh [CrCl4]- ePy Cjh

[Cr(NH3)6]3+ kQ;rs;(jput NH3)

Mn2+ [Mn(H2O)6]2+

nkd; rptg;G [MnCl4]2-

gr;ir Nru;kQ;rs; -

Fe3+ [Fe(H2O)6]3+

kQ;rs; [Fe Cl4]-

kQ;rs; -

Co2+

[Co(H2O)6]2+

nkd; rptg;G [Co Cl4]2-

ePyk; [Co(NH3)6]2+

kQ;rl;fgpyk;

Ni2+

[Ni(H2O)6]2+ gr;ir

[Ni Cl4]2- kQ;rl;fgpyk;

[Ni(NH3)6]2+ ePyk;

Cu2+

[Co(H2O)6]2+

nkd; ePyk; [Cu Cl4]2-

kQ;rs; [Cu(NH3)4]2+

fU ePyk;

njhFg;G : jpU.nr.NfhFyhde;jd;> ,urhdatpay; Mrpupau; (ah/khdpg;gha; ,e;Jf;fy;Yhup)

fzpdp tbtikg;G : nry;tp.g.GUNrhj;jkp, j.njh.njh Mrpupau; (t/tTdpah jkpo; kj;jpa k.tp )

juk;-12,13

rpf;fy;fspd; epwj;ijg; ghjpf;Fk; fhuzpfs;

jhz;ly; cNyhfq;fs; cUthf;Fk; rpf;fy;fspd; epwq;fs; gpd;tUk; fhuzpfspy; jq;fpapUf;Fk;.

1. ika cNyhf mad;

cjhuzk;-

1. ika cNyhf madpd; xl;rpNaw;w epiy

cjhuzk;-

1. ,izapfspd; tiffs;

cjhuzk;-

Mn2+

, Fe

2+/3+ Mfpad mikd; rpf;fy;fis cUthf;Ftjpy;iy.

Cr3+ MdJ nrwpe;j NH3 cld; kl;LNk kQ;rs; epw rpf;fyaidj;

Njhw;Wtpf;Fk;.

Note -

Mn(ii) Fe(ii) Co(ii) (Ni(ii) Cu(ii)

[Mn(H2O)6]2+ [Fe(H2O)6]2+ [Co(H2O)6]2+ [Ni(H2O)6]2+ [Cu(H2O)6]2+

Pink Pale green Pink Green Pale green

Mn(ii) Mn(ii) Fe(ii) Fe(ii)

[Mn(H2O)6]2+ [Mn(H2O)6]3+ [Fe(H2O)6]2+ [Fe(H2O)6]3+

Pink Red Pale green Yellow

H2O OH- NH3 Cl-

[Co(H2O)6]2+ [Co(OH)4]2- [Co(NH3)6]2+ [CoCl4]2-

Pink Deep blue Yellowish brown

Blue

njhFg;G : jpU.nr.NfhFyhde;jd;> ,urhdatpay; Mrpupau; (ah/khdpg;gha; ,e;Jf;fy;Yhup)

fzpdp tbtikg;G : nry;tp.g.GUNrhj;jkp, j.njh.njh Mrpupau; (t/tTdpah jkpo; kj;jpa k.tp )

juk;-12,13

tpdhf;fs;

NiCl2 ,d; epu;f; fiurYf;F nrwpe;j NH3 fiuriy kpifahfr; Nru;f;Fk; NghJ Njhd;Wk; rpf;fypd; epwj;Jf;F xj;j ewj;ijg; gpd;tUtdtw;Ws; vJ nfhLf;Fk;?

1. CuSO4 ePu;f;fiurYf;F nrwpe;j HCl kpifahfr; Nru;j;jy;.

2. Co(NO3)2 ePu;f;fiurYf;F nrwpe;j HCl kpifahfr; Nru;j;jy;.

3. FeCl3 ePu;f;fiurYf;F nrwpe;j NH4SCN fiury; Nru;j;jy;.

4. CrCl3 ePu;f;fiurYf;F nrwpe;j HCl kpifahfr; Nru;j;jy;.

5. NkYs;s vJTkd;W.