First slide

Hydrogen Peroxide

Question

Which of the following shows oxidising nature of H₂O₂?

Moderate

A

$2 {Fe}^{2 +} (aq) + 2 H^{+} (aq) + H_{2} O_{2} (l) \to 2 {Fe}^{3 +} (aq) + 2 H_{2} O (l)$
B

$PbS (s) + 4 H_{2} O_{2} (l) \to {PbSO}_{4} (s) + 4 H_{2} O (l)$
C

${Mn}^{2 +} + H_{2} O_{2} \overset{{OH}^{-}}{\to} {Mn}^{4 +} + 2 {OH}^{-}$
D

All of the above

Solution

In the given three reactions oxygen got reduced from -1 to -2, there by it can do oxidation of other reactants

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