Question

Which of the following equation depicts the oxidizing nature of $H _{2} O _{2} ?$

• A. $KIO _{4}+ H _{2} O _{2} \rightarrow KIO _{3}+ H _{2} O + O _{2}$
• B. $2 I ^{-}+ H _{2} O _{2}+2 H ^{+} \rightarrow I _{2}+2 H _{2} O$
• C. $I _{2}+ H _{2} O _{2}+2 OH ^{-} \rightarrow 2 I ^{-}+2 H _{2} O + O _{2}$
• D. $Cl _{2}+ H _{2} O _{2} \rightarrow 2 HCl + O _{2}$

Answer 1

Answer: (B)

$2 I ^{-}+ H _{2} O _{2}+2 H ^{+} \rightarrow I _{2}+2 H _{2} O$

Answer 2

$I ^{-}$ is oxidised to $I _{2}$ by $H _{2} O _{2}$.

So, the correct option is (B): $2 I ^{-}+ H _{2} O _{2}+2 H ^{+} \rightarrow I _{2}+2 H _{2} O$