Hydrogen peroxide in its reaction with $K I O_{4}$ (I reaction) and $N H_{2} O H$ (II reaction) separately, it acts as a:

reducing agent in I, oxidising agent in II

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reducing agent in I, reducing agent in II

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oxidising agent in I, oxidising agent in II

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oxidising agent in I, reducing agent in II

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Solution

The correct option is A reducing agent in I, oxidising agent in II
$K + 7 I O_{4} + H_{2} O_{2} \to K + 5 I O_{3} + H_{2} O + O_{2}$
Here, $H_{2} O_{2}$ is reducing agent; $K I O_{4}$ is reduced to $K I O_{3}$ .
$1 N H_{2} O H + 3 H_{2} O_{2} \to H + 5 N O_{3} + 4 H_{2} O$
In this reaction, $H_{2} O_{2}$ is oxidising agent, $N H_{2} O H$ is oxidised to $H N O_{3}$ .

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Question 6

Consider the reactions

(i) $H_{2} O_{2} + 2 H I \to I_{2} + 2 H_{2} O$
(ii) $H O C l + H_{2} O_{2} \to H_{3} O^{+} C l^{-} + O_{2}$

Which of the following statements is correct about $H_{2} O_{2}$ with reference to these reactions? Hydrogen peroxide is ........

(a) an oxidising agent in both (i) and (ii)

(b) an oxidising agent in (i) and reducing agent in (ii)

(d) a reducing agent in both (i) and (ii)

Hydrogen peroxide in its reaction with $K I O_{4}$ and $N H_{2} O H$ respectively, is acting as:

C l

C l_{2} O_{7}

2 F e C l_{3} + H_{2} S \to 2 F e C l_{2} + 2 H C l + S

Identify the oxidising and reducing agents in the reaction:

Zn + CuSO₄ → Cu + ZnSO₄

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