First slide

Mechanism of reaction

Question

Consider the reaction, $2 H_{2} O_{2} \to_{{OH}^{-}}^{I^{-}} 2 H_{2} O + O_{2}$ , Intermediate formed in the process is

Moderate

A

${IO}^{-}$
B

${IO}_{2}^{-}$
C

${IO}_{3}^{-}$
D

$I_{2}$

Solution

$\begin{array}{l} H_{2} O_{2} + I^{-} \to {IO}^{-} + H_{2} O \\ {IO}^{-} + H_{2} O_{2} \to H_{2} O + O_{2} + I^{-} \\ 2 H_{2} O_{2} \overset{I^{-}}{\to} 2 H_{2} O + O_{2} \end{array}$

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