Which of the following is wrong statement

Chemistry Co-ordinatios Compounds Nomenclature, Axidation State and EAN Number Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

has oxidation number + 4 for Ni

has zero oxidation number for Ni

Ni is metal

CO is gas

Text Solution

Verified by Experts

The correct answer is:

In , carbonyl group is a neutral species.
So oxidation number of is zero.

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