Arrange the followingCaH2, BeH2 and TiH2 in order of increasing electrical conductance.

The property of electrical conductivity is dependent upon the nature of the molecule. Ionic compounds conduct whereas the covalent compounds do not conduct.BeH2 is a covalent compound and hence do not exhibit conductivity and on the other hand CaH2 is an ionic hydride because of which it conducts in molten or aqueous state. TiH2 is totally metallic in nature and hence it conducts under normal operating conditions.Hence, the increasing order of electrical conductance is as follows:BeH2 < CaH2 < TiH2.

Q. 16 A4.2( 22 Votes )

Arrange the following

CaH₂, BeH₂ and TiH₂ in order of increasing electrical conductance.

Class 11th NCERT - Chemistry Part-II 9. Hydrogen

Answer :

The property of electrical conductivity is dependent upon the nature of the molecule. Ionic compounds conduct whereas the covalent compounds do not conduct.

BeH₂ is a covalent compound and hence do not exhibit conductivity and on the other hand CaH₂ is an ionic hydride because of which it conducts in molten or aqueous state. TiH₂ is totally metallic in nature and hence it conducts under normal operating conditions.

Hence, the increasing order of electrical conductance is as follows:

BeH₂ < CaH₂ < TiH_2.

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