JEE Main 5 Apr 2024 Shift 1 Solved Paper

Section: Chemistry

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Question : 70 of 90

Marks: +1, -0

The reaction at cathode in the cells commonly used in clocks involves.

[5 Apr 2024 Shift 1]

reduction of Mn from +4 to +3
oxidation of Mn from +3 to +4
reduction of Mn from +7 to +2
oxidation of Mn from +2 to +7

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