Question
Given below are two statements :
Statement (I) : In the Lanthanoids, the formation $\mathrm{Ce}^{+4}$ is favoured by its noble gas configuration.
Statement (II) : $\mathrm{Ce}^{+4}$ is a strong oxidant reverting to the common +3 state.
In the light of the above statements, choose the most appropriate answer from the options given below :