The oxidation number of chromium in $K_{2}Cr_{2}O_{7}$ is:

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The oxidation number of chromium in $K_{2}Cr_{2}O_{7}$ is:

E

Editor

Sep 18, 2022

The oxidation number of chromium in $K_{2}Cr_{2}O_{7}$ is:

Difficulty: Easy

A:

6

B:

11

C:

9

D:

14

ID: 63273dbdca83163ac3a16e13