Comedk
Redox Reactions
COMEDK 2026 Morning Shift
MCQ+1 / -02026
In the reaction,
\(\mathrm{Cr}_2 \mathrm{O}_7^{2-}+4 \mathrm{H}_2 \mathrm{O}_2+2 \mathrm{H}^{+} \rightarrow 2 \mathrm{CrO}_5+\mathrm{H}_2 \mathrm{O}\)
The change in oxidation state of Cr is: