WAEC Chemistry 2010 Theory — Question 11

Question 11 of 46 from the West African Examinations Council (WAEC) Chemistry 2010 Theory paper, with the correct answer and a full explanation.

2b(ii) Explain why sugar and common salt do not conduct electricity in the solid state.

Model answer

Sugar does not conduct electricity because it is composed of molecules rather than ions. Common salt, although it contains ions, does not conduct electricity in the solid form because its ions are not mobile in the solid form.

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