Assertion :Molten potassium chloride is a good electrical conductor. Reason: the melting process frees the ions in potassium chloride from their fixed positions in the crystal lattice.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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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
Assertion :
Molten potassium chloride is a good electrical conductor.

Reason :
The melting process frees the ions in potassium chloride from their fixed positions in the crystal lattice. Since these ions can move freely under the influence of an electric field, they can conduct electricity.

Hence, both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

Aqueous potassium chloride is also a good electrical conductor.

Hence the correct option is A.

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