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Question

Assertion: HCl is a covalent compound but it conducts electricity in its aqueous state. Reason: In aqueous solution HCl ionises to H+ and Cl ions which are responsible for electrical conductivity.

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 the reason is incorrect.
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D
Both the 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.
Ionic solutions have the capability to conduct electricity. Therefore, HCl in an aqueous solution can conduct electricity because it forms ions. Pure HCl does not conduct electricity in water because there are no free ions such as H+ and Cl ions as they are strongly held by electrostatic force.

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