In the reaction `2H_(2)O_(2)rarr2H_(2)O+O_(2)` oxidation state of oxygen change as :

Options

A. Only - 1 to -2
B. Only - 1 to zero
C. Both of the above
D. `-1`to` -3`

Answer

C

Explanation

Disproportionation reaction
`2H_(2)underset(-1)(O_(2))rarr2H_(2)underset(-2)(O)+underset(0)(O_(2))`