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Oxidation number of Cr in the following ...

Oxidation number of `Cr` in the following complex is

A

2

B

3

C

4

D

5

Text Solution

Verified by Experts

The correct Answer is:
B
`underset(("for Cr"))(2x)+underset(("for "H_(2)O))(12(0))+underset("ion")underset("peroxide")underset(("for O-O"))((-2))+underset("ion")underset("superoxide")underset(("for "O_(2)))((-1)=+3)`
or x=+3
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