Which one amongst the following are good oxid | vedclass

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(D) In the lanthanoid series,the most stable oxidation state is $+3$. $Ce^{4+}$ is a strong oxidizing agent because it has a strong tendency to revert

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$C$ and $D$ only

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(D) In the lanthanoid series,the most stable oxidation state is $+3$. $Ce^{4+}$ is a strong oxidizing agent because it has a strong tendency to revert to the more stable $+3$ oxidation state $(Ce^{4+} + e^- \rightarrow Ce^{3+})$. Similarly,$Tb^{4+}$ also acts as a good oxidizing agent as it tends to gain an electron to reach the stable $+3$ state $(Tb^{4+} + e^- \rightarrow Tb^{3+})$. Therefore,both $Ce^{4+}$ and $Tb^{4+}$ are good oxidizing agents.

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:

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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: