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Redox Reactions question

2021 · 25 Jul · Shift 2 · Q14

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JEE Main
Chemistry
Redox Reactions
2021 · 25 Jul · Shift 2 · Q14

Redox Reactions question

2021 · 25 Jul · Shift 2 · Q14

JEE MainChemistryRedox ReactionsMCQ+4 / −1

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

A
$C{r_2}O_7^{2 - } \to 2C{r^{3 + }}$
B
$MnO_4^ - \to M{n^{2 + }}$
C
$CrO_4^{2 - } \to C{r^{3 + }}$
D
${C_2}O_4^{2 - } \to 2C{O_2}$

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