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TS EAMCET · Chemistry · Coordination Compounds

Match the following
  Column-I Complex   Column-II
Structure / Geometry / Property
(A) NiCN42- (I) Tetrahedral / Paramagnetic
(B) NiCO4 (II) Tetrahedral / Diamagnetic
(C) NiCl42- (III) Square planar / Diamagnetic
The correct match is

  1. A
    A B C
    II I III
  2. B
    A B C
    I. II III
  3. C
    .A B C
    III II I
  4. D
    A B C
    III I II.
Verified Solution

Answer & Solution

Correct Answer

(C)

.A B C
III II I

Step-by-step Solution

Detailed explanation

NiCN42- Square planar The electrons are paired in 3d orbitals because CN- is strong field ligand.Hence the hybridisation will be dsp2 NiCO4 Tetrahedral CO is strong field ligand. First the unpaired electrons will pair and then the electrons from 4s orbital will go in 3d orbital.…