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Question: The oxidation number of Cr in \(CrO_{5}\)which has the following structure is <img src="https://cdn...

The oxidation number of Cr in CrO5CrO_{5}which has the following structure is

A

+4

B

+5

C

+6

D

+3

Answer

+6

Explanation

Solution

: It has four O atoms as peroxide with oxidation number = - 1 and one O atom with oxidation number = -2.

Hence, x + 4 (-1) + 1 (-2) = 0 or x = + 6