JEE Mains 26-July-2022 Shift 1 Solved Paper

Section: Chemistry

Question : 69 of 90

Marks: +1, -0

The dark purple colour of KMnO4 disappears in the titration with oxalic acid in acidic medium. The overall change in the oxidation number of manganese in the reaction is :

[26-Jul-2022-Shift-1]

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