First slide

Hydrogen Peroxide

Question

Regarding hydrogen peroxide correct statements are
A) Its decomposition can be retarded by the addition of glycerol
B) It is purified by vacuum distillation
C) It is used as an antiseptic
D) It oxidizes potassium permanganate in acidic medium whereas it reduces potassium permanganate in basic medium

Easy

A

A, B, C, D
B

B, C only
C

A, B, C only
D

A, C only

Solution

$H_{2} O_{2}$ reduces
A) ${MnO}_{4}^{-} to {Mn}^{+ 2}$ in acidic medium
B) ${MnO}_{4}^{-} to {MnO}_{2}$ in basic medium

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