MCQ
Which statement is incorrect among the following?
- ALanthanoids hydroxides are less basic in nature as compared to actinides.
- ✓Lanthanoids form Oxocations
- CIn Lanthanoids, only promethium is radiocative
- DActinoids form Oxocations
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Assertion $(A):$ $\mathrm{H}_2 \mathrm{Te}$ is more acidic than $\mathrm{H}_2 \mathrm{~S}$.
Reason $(R):$ The bond dissociation enthalpy of $\mathrm{H}_2 \mathrm{Te}$ is less than that of $\mathrm{H}_2 \mathrm{~S}$.
In the context of the above statements, choose the correct answer from the following options: