The reaction of aqueous KMnO _4 with H _2 O _2 in acidic conditions gives :

NEET 2014 Chemistry question

The reaction of aqueous with in acidic conditions gives :

(1) and
(2) and Correct
(3) and
(4) and

Answer: (2)

Solution

In acidic medium permanganate is a strong oxidising agent and is reduced to (Mn: ), while hydrogen peroxide acts as the reducing agent and is oxidised to molecular oxygen: $2KMnO_4 + 5H_2O_2 + 3H_2SO_4

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Question ID VK-091545