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Q.

If CO ligands are substituted by NO in respective neutral carbonyl compounds then which of the following will not be correct formula ?

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a

Fe(CO)2(NO)2

b

Cr(CO)3(NO)2

c

Ni(CO)2(NO)2

d

Cr(NO)4

answer is D.

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Detailed Solution

 Ligand NO is 3e−donar hence three CO ligands can be substituted by two NO ligands. 

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