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Question

Identify Z in the reaction given below:


2MnO4+5H2O2+6H+2Z+5O2+8H2O

A
Mn2+
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B
Mn4+
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C
Mn
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D
MnO2
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Solution

The correct option is A Mn2+
2MnO4+5H2O2+6H+2Mn2++5O2+8H2O

Hydrogen peroxide reduces Mn(VII) to Mn(II) in acidic medium.

Thus Z is Mn2+.

Hence, option A is correct.

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