JEE Main & Advanced Chemistry The s-Block Elements / s-ब्लॉक के तत्व Question Bank Self Evaluation Test - The s-Block Elements

Select the correct statements :

I. \[C{{s}^{+}}\] is more highly hydrated than the other alkali metal ions

II. Among the alkali metals \[Li,\text{ }Na,\text{ }K\] and \[Rb,\] lithium has the highest melting point

III. Among the alkali metals, only lithium forms a stable nitride by direct combination with nitrogen

A) I, II and III

B) I and II

C) I and III

D) II and III

Correct Answer: D

Solution :

[d] Amongst alkali metal ions, \[Li\] ions are highly hydrated.