JEE MAIN - Chemistry (2023 - 24th January Evening Shift - No. 8)
Which one amongst the following are good oxidizing agents?
A. Sm$$^{2+}$$
B. Ce$$^{2+}$$
C. Ce$$^{4+}$$
D. Tb$$^{4+}$$
Choose the most appropriate answer from the options given below :
C and D only
A and B only
D only
C only
Explanation
The most appropriate answer is $C$ and $D$ only. $Ce^{4+}$ and $Tb^{4+}$ are good oxidizing agents because they have a high oxidation state and a strong tendency to gain electrons. $Sm^{2+}$ and $Ce^{2+}$ are reducing agents because they have a low oxidation state and a tendency to lose electrons.
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