Assertion : Aluminium can be extracted from anhydrous aluminium chloride.
Reason: $A l C l_{3}$ is a covalent compound.

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 incorrect but Reason is correct

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is incorrect but Reason is correct
Heating anhydrous aluminium chloride solid does not produce aluminium, the hexahydrate of aluminium chloride decomposes to aluminium hydroxide when heated:
$A l {{(H}_{2} O)}_{6} {C l}_{3} Δ - \to A l {(O H)}_{3} + 3 H C l + 3 H_{2} O$
Hence, Aluminium cannot be extracted from anhydrous aluminium chloride.
${A l C l}_{3}$ is a covalent compound.
Hence, an assertion is incorrect, but the reason is correct.

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Assertion : Aluminium can be extracted from anhydrous aluminium chloride. Reason: AlCl3 is a covalent compound.

Assertion : Aluminium can be extracted from anhydrous aluminium chloride.
Reason: $A l C l_{3}$ is a covalent compound.