MCQ
The oxidation state of Cr in CrO5, is:
  • A
    +10
  • B
    +5
  • C
    +6
  • D
    +3

Answer

  1. +6

Explanation:

There are two Peroxide linkage $\text{O}^{2-}_2$

$\because$ Oxidation state is x - 1 - 1 - 1 - 1 - 2 = 0

x = +6

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