Home Chemistry Redox Reaction Redox Reaction in Terms of Electron Transfer Reactions and Oxidation Number The oxidation number of cobalt in is:
Chemistry Redox Reaction Redox Reaction in Terms of Electron Transfer Reactions and Oxidation Number Single Correct MCQ
Published on: August 12, 2026

The oxidation number of cobalt in is:

A
+1
B
+3
C
-1
D
-3

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Text Solution

Verified by Experts
The correct answer is:
C

Let the oxidation number of Co be x.

In [as CO is neutral]

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