Identify the process in which...|Mole Concept|JEEMAIN 2021

JEE MAIN 2021

25-07-21 S2

Question

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

Select the correct option:

$\mathrm{Cr}_2 \mathrm{O}_7^{2-} \rightarrow 2 \mathrm{Cr}^{3+}$

$\mathrm{MnO}_4^{-} \rightarrow \mathrm{Mn}^{2+}$

$\mathrm{CrO}_4^{2-} \rightarrow \mathrm{Cr}^{3+}$

$\mathrm{C}_2 \mathrm{O}_4^{2-} \rightarrow 3 \mathrm{CO}_2$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

MnO₄⁻ + 5e⁻ → Mn²⁺

Question Tags

JEE Main

Chemistry

Easy

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