The oxidation state of chromium in the... | Redox Reactions

JEE MAIN 2026

23-01-2026 S2

Question

The oxidation state of chromium in the final product formed in the reaction between KI and acidified $\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7$ solution is:

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Solution

$\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7+\mathrm{KI} \xrightarrow{\mathrm{H}^{+}} \mathrm{I}_2+\mathrm{Cr}^{3+}$

Question Tags

JEE Main

Chemistry

Easy

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