Question

Give reason for the following : Lead bromide undergoes electrolytic dissociation in the molten state but is a non-electrolyte in the solid state.

  • Electrolysis
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Answer

Solid lead bromide is a non-electrolyte since it’s ions are not free but held together by an electrostatic force of attraction. These ions become free when lead bromide is in fused or molten state, hence it undergoes electrolytic dissociation in the fused or molten state.

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