Q.
Regarding hydrogen peroxide correct statements are A) Its decomposition can be retarded by the addition of glycerolB) It is purified by vacuum distillationC) It is used as an antisepticD) It oxidizes potassium permanganate in acidic medium whereas it reduces potassium permanganate in basic medium
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a
A, B, C, D
b
B, C only
c
A, B, C only
d
A, C only
answer is C.
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Detailed Solution
H2O2 reducesA) MnO4- to Mn+2 in acidic mediumB) MnO4- to MnO2 in basic medium
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