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Coordination Compounds

Question
CBSEENCH12011293
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Which one of the following complexes is not expected to exhibit isomerism?

  • [Ni(NH3)(H2O)2]2+

  • [Pt(NH3)2Cl2]

  • [Ni(NH3)2Cl2]

  • [NI(en)3]2+

Solution

C.

[Ni(NH3)2Cl2]

[Ni(NH3)2Cl2] has tetrahedral geometry and thus, does not exhibit isomerism due to the presence of symmetry elements.

Some More Questions From Coordination Compounds Chapter

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.

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