Potassium dichromateoxidizing |dandfBlockElementsJEEMain2023

JEE MAIN 2023

25-1-23 {S2}

Question

Potassium dichromate acts as a strong oxidizing agent in acidic solution. During this process, the oxidation state changes from

Select the correct option:

(+3 to +1

+6 to +3

+2 to +1

+6 to +2

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Sol. $\quad 14 \mathrm{H}^{+}+6 \mathrm{e}^{-}+\underset{\stackrel{+}{6}}{\mathrm{Cr}_2 \mathrm{O}_7^{-2}} \longrightarrow \underset{\stackrel{+4}{+3}}{2 \mathrm{Cr}^{+3}}+7 \mathrm{H}_2 \mathrm{O}$

Question Tags

JEE Main

Chemistry

Easy

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