Question

Paramagnetic carbonyl is :
(1) Fe (CO)
,
(ii) Ni (CO)
(iii) V(CO)
5
(iv) Cr(CO).​

Answer 1

Answer:

The metals in complexes Fe(CO)

5

and Cr(CO)

6

undergo dsp

3

and d

2

sp

3

hybridization respectively. These complexes contain all paired electrons. Thus these complexes are inner orbital complexes and diamagnetic in nature.

The metal in Ni(CO)

4

undergo sp

3

hybridization. In this complex, all electrons are paired. Thus it is outer orbital diamagnetic complex.

The metal in V(CO)

6

undergo d

2

sp

3

hybridization. This complex contains one unpaired electron. Thus it is inner orbital and diamagnetic in nature.

Explanation:

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