Which of the following reactions depicts the reducing action of hydrogen peroxide ?

C_{6} H_{6} + H_{2} O_{2} \to C_{6} H_{5} O H + H_{2} O

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O_{3} + H_{2} O_{2} \to 2 O_{2} + H_{2} O

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2 F e^{2 +} + 2 H^{+} + H_{2} O_{2} \to 2 F e^{3 +} + 2 H_{2} O

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2 I^{-} + 2 H^{+} + H_{2} O_{2} \to I_{2} + H_{2} O

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Solution

The correct option is B $O_{3} + H_{2} O_{2} \to 2 O_{2} + H_{2} O$
In option (a), $C_{6} H_{6} is oxidised to C_{6} H_{5} O H which shows the oxidising action of H_{2} O_{2}$
In option (b), $O_{3} is reduced to O_{2} which shows the reducing action of H_{2} O_{2}$
$O_{3}$ is better oxidising agent then $H_{2} O_{2}$ so in the reaction $B$ , $H_{2} O_{2}$ shows reducing behaviour.
In option (c), $F e^{2 +} is oxidised to F e^{3 +} which shows the oxidising action of H_{2} O_{2}$
In option (d), $I^{-} is oxidised to I_{2} which shows the oxidising action of H_{2} O_{2}$

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