Question

Oxidation state of oxygen in hydrogen peroxide is?

• A. -1
• B. 1
• C. 0
• D. -2

Answer 1

Answer: (A)

-1

Hydrogen peroxide $=H_2{O}_2$

$\stackrel{+1}{H}-\stackrel{-1}{O}-\stackrel{-1}{O}-\stackrel{+1}{H}$

Here, the oxidation states of hydrogen is $+1$ and that of oxygen atoms is $-1$.