Assertion :Potassium is not obtained by the electrolysis of fused KCl. Reason: Potassium vapourises at the melting point of KCl.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution
The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion As K has the lower boiling point (1039 K) than the melting point of KCl (1063 K) so K is not obtained by the electrolysis of fused KCl as Kvapourises at the melting point of KCl.