H 2 O 2 is used as Options: A . &nbsp An oxidant only B . &nbsp A reductant only C . &nbsp An acid only D . &nbsp An oxidant, a reductant and an acid

H2O2 is used as

Question -

$H_{2} O_{2}$ is used as

Options:

A . An oxidant only

B . A reductant only

C . An acid only

D . An oxidant, a reductant and an acid

Answer: Option D
:
D
As an oxidant:

2 F e^{2 +} (a q) + H_{2} O_{2} + 2 H^{+} (a q) ⟶ 2 F e^{3 +} (a q) + 2 H_{2} O (l)

As as reductant (these reactions are apt to produce

O_{2}

in lab):

N a O C l + H_{2} O_{2} ⟶ O_{2} + N a C l + H_{2} O

2 K M n O_{4} + 3 H_{2} O_{2} ⟶ 2 M n O_{2} + 2 K O H + 2 H_{2} O + 3 O_{2}

Hydrogen peroxide is a weak acid, forming hydroperoxide or peroxide salts with many metals.

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