First slide

Hydrogen

Question

Metal hydrides are ionic, covalent or molecular in nature. Among LiH, NaH, KH, RbH, CsH, the correct order of increasing ionic character is

Easy

A

LiH > NaH > CsH > KH > RbH
B

LiH < NaH < KH < RbH < CsH
C

RbH > CsH > NaH > KH > LiH
D

NaH > CsH > RbH > LiH > KH

Solution

Metal hydrides are ionic in nature
$\large Ionic\;Nature\;:\; \underrightarrow {LiH < NaH < KH < RbH}\$
As the size of metal ↑es metallic nature ↑es,
Therefore ionic nature of hydride ↑es.

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