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Question Paper from: IIT JEE Mains Shift 2 25th July 2021

In Which of the following reaction oxidation state changes by 5.

$C r_{2} O_{7}^{2 -} ⟶ C r^{3 +}$

$M n O_{4}^{-} ⟶ M n^{2 +}$

$C_{2} O_{4}^{2} ⟶ C O_{2}$

$C r_{2} O_{4}^{2 -} ⟶ C r^{3 +}$

Solution:

Chapter Name: Solid State

Difficulty Level: Easy

$M n O_{4} ⟶ M n^{2 +}$

The oxidation state of $M n$ changes from $(+ 7) ⟶ (+ 5)$

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IIT JEE Mains Shift 2 25th July 2021

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