KMnO4 can be prepared from K2MnO4 as per the reaction,

Question 1

3MnO42- + 2H2O ⇋ 2MnO4- + MnO2 + 4OH-

The reaction can go to completion by removing OH- ions by adding

(a) CO2

(b) SO2

(c) HCI

(d) KOH

Question 2

The correct option is : (a) CO2

Explanation:

HCl and SO2 are reducing agents. So they can reduce MnO4-.

CO2 is neither oxidising nor reducing agent, it will provide only acidic medium. It can shift the reaction in forward direction and the reaction can go to completion.

kratos · Answer 1 · 2020-12-25T15:26:24+0000

The correct option is : (a) CO2

Explanation:

HCl and SO2 are reducing agents. So they can reduce MnO4-.

CO2 is neither oxidising nor reducing agent, it will provide only acidic medium. It can shift the reaction in forward direction and the reaction can go to completion.

KMnO4 can be prepared from K2MnO4 as per the reaction,

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KMnO4 can be prepared from K2MnO4 as per the reaction,

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