Question

40.
The oxidation number of oxygen is -1 in
(A) Oxides (B) peroxides
(C) suporoxides
(D)suboxide​

Answer 1

Answer:

B) peroxide.........................

Answer 2

Answer:

peroxide

Explanation:

for example, in H2O2 (hydrogen peroxide)

oxidation state of H is +1 .So, O.S. of O will be -1.