Assertion :Electricity causes chemical change in electrolytic cell. Reason: Displacement reactions occurs in dry cell.
A
If both Assertion and Reason are correct and Reason is the correct explanation of Assertion
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B
If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion
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C
If Assertion is correct but Reason is incorrect
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D
If Assertion is incorrect but Reason is correct
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Solution
The correct option is C If Assertion is correct but Reason is incorrect In electrolytic cell, the applied emf is greater than the cell potentail, so because of that chemical change takes place.
dry cell is a non-renewable cell and cannot be charged after use and no displacement reaction takes place in dry cell.