JEE Main 25 July 2021 Shift 2 Solved Paper

Section: Chemistry

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Question : 49 of 90

Marks: +1, -0

Identify the process in which change in the oxidation state is five :

[25 Jul 2021 Shift 2]

Cr2O72−→2Cr3+
MnO4−→Mn2+
CrO42−→Cr3+
C2O42−→2CO2

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