Home Chemistry Redox Reaction Oxidation Number and Oxidation State Oxidation number of nickel in
Chemistry Redox Reaction Oxidation Number and Oxidation State Single Correct MCQ
Published on: August 12, 2026

Oxidation number of nickel in

A
0
B
+ 4
C
– 4
D
+ 2

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The correct answer is:
A

If any central metal atom combined with corbonyl group than central metal atom shows always zero oxidation state.

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