The oxidation number of oxygen in hydrogen peroxide is

A
0
B
$- 1$
C
$- 1.5$
D
$- 2$

Solution:

The structure of $H_{2} O_{2}$ is $H - O - O - H .$ The oxidation number of oxygen atoms is $- 1$

The total number of electrons that an atom acquires or loses in the process of joining with another atom to create a chemical bond is known as the oxidation number, also known as the oxidation state.

Solution:

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