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Question

Chemistry Question on hydrogen peroxide

The pale blue syrupy liquid, H2O2H_{2}O_{2} discovered by J. Thenard, is estimated by using

A

KI

B

KMnO4KMnO_{4}

C

Na2CO3Na_{2}CO_{3}

D

NaOH

Answer

KMnO4KMnO_{4}

Explanation

Solution

Permanganometry, 2KMnO4+3H2SO4+5H2O2→K2SO4+2MnSO4+8H2O+5O22 KMnO_{4}+3H_{2}SO_{4}+5H_{2}O_{2} \to K_{2}SO_{4}+2MnSO_{4}+8H_{2}O+5O_{2}