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Electrolysis — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10ChemistryElectrolysis2 Marks
Question
Explain, why a solution of an ionic compound is an electrolyte while that of a covalent compound is a non- electrolyte.
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Answer

The solution of an ionic compound has free ions which can migrate to the cathode and anode and discharge. Thus, a solution of an ionic compound is a good conductor of electricity, and hence is an electrolyte.
However, a solution of a covalent compound, consists of only molecules and does not have any free ions, which can migrate to the cathode or anode. Hence, it is a non-electrolyte.

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