AIPMT 2013 Physics and Chemistry Paper

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Question : 71 of 90

Marks: +1, -0

KMnO4 can be prepared from K2MnO4 as per the reaction :-

3MnO4‌2−+2H2O⇌2MnO4‌−+MnO2+4OH−

The reaction can go to competition by removing OH− ions by adding's :-

SO2
HCl
KOH
CO2

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