9.16  Arrange the following

(i) CaH2, BeH2 and TiH2 in order of increasing electrical conductance

Answers (1)
R Rakesh

Answer-

increasing order of electrical conductance-

BeH_{2}<CaH_{2}<TiH_{2}

electrical conductivity depends on its ionic nature. more is the ionic more is the conductivity.

Berrium hydride is covalent in nature so it has least conductivity. Titanium hydride is metallic in nature so it will also conduct.

we also know that greater is the size of cation more is the ionic in nature.

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