MCQ
Choose the correct explanation regarding half $-$ reaction such as $\text{Cr}_2\text{O}^{2-}_7\xrightarrow{\ \ \ \ \ \ \ \ }\text{Cr}^{3+}$ from the following.
- AIt is oxidation half $-$ reaction.
- BChromium being oxidized.
- C$\text{Cr}_2\text{O}^{2-}_7$ is a good reducing agent.
- ✓Chromium being reduced.
