JEE MAIN - Chemistry (2021 - 25th July Evening Shift - No. 14)
Identify the process in which change in the oxidation state is five :
$$C{r_2}O_7^{2 - } \to 2C{r^{3 + }}$$
$$MnO_4^ - \to M{n^{2 + }}$$
$$CrO_4^{2 - } \to C{r^{3 + }}$$
$${C_2}O_4^{2 - } \to 2C{O_2}$$
Explanation
$$MnO_4^ - + 5e \to M{n^{ + 2}}$$
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