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

Moderate

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

With increase of metallic character of the metal combined with hydride the ionic character of metallic hydride increases

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