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Coordination Compounds
Question
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Which of the following pairs represents linkage isomers?

  • [Cu(NH3)4][PtCl4] and [Pt(NH3)4][CuCl4]

  • [Pd(PPh3)2(NCS)2] and [Pd(PPh3)2(SCN)2]

  • [CO(NH3)5NO3]SO4 and [CO(NH3)5SO4]NO3

  • [PtCl2(NH3)4]Br2 and [PtBr2(NH3)4]Cl2 

Answer

B.

[Pd(PPh3)2(NCS)2] and [Pd(PPh3)2(SCN)2]

Linkage isomerism is shown by ambidient ligands like NCS and SCN. NCS- is ambidentate ligand and it can be linked through N (or) S

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Some More Questions From Coordination Compounds Chapter

Write the formula for the following coordination compound:
Tetraaminediaquacobalt(lll)chloride

Write the formula for the following coordination compound:
Potassium tetracyanidonickelate(II)

Write the formula for the following coordination compound:
Tris(ethane -1, 2-diamine) chromium(III) chloride

Write the formula for the following coordination compound:
Amminebromidochloridonitrito-N-platinate (II)

Write the formula for the following coordination compound:
Dichloridobis(ethane-1, 2-diamine)platinum(lV) nitrate.

Write the formula for the following coordination compound:
Iron(III) hexacyanidoferrate(II)

Write the IUPAC names of the following coordination compounds:
(i) [Co(NH3)6]Cl3
(ii) [Co(NH3)5Cl]Cl2
(iii) K3[Fe(CN)6]
(iv) K3[Fe(C2O4)3]
(v) K2[PdCl4]
(vi) [Pt(NH3)2Cl(NH2CH3)]Cl.

Indicate the type of isomerism exhibited by the following complexes and draw structures for these isomers:
(i)    K[Cr(H2O)2(C2O4)2],                      (ii) [Co(en)3Cl3,
(iii) [Co(NH3)5(NO2)]|NO3]2,                 (iv) [Pt(NH3)(H2O)Cl2]

Explain on the basis of valence bond theory that [Ni(CN)4]2–  ion with square planar is diamagnetic and the [NiCl4]2– ion with tetrahedral geometry is paramagnetic.