First slide

Hydrogen

Question

Statement I: Saline hydrides are non volatile, non conducting and crystalline solids
Statement II : Saline hydrides are compounds of hydrogen with most of the p - block elements

Easy

A

Statement I and Statement II are true.
B

Statement I is true and statement II is false.
C

Statement I is false and Statement II is true.
D

Statement I and Statement II are false.

Solution

Saline hydrides are ionic compounds and crystalline in nature. In solid state they are non conductors of heat electricity.
Due to strong inter ionic attractions they possess high boiling points and hence they are non volatile
Saline [Ionic] hydrides are formed by I_A & II_A group element[S-block]
Exception BeH₂,MgH₂ are covalent in nature. So
Statement I is true and statement II is false.

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