The questions below consist of Assertion (A) and Reason (R). Use the following key to select the correct answer:
(a) If both assertion and reason are correct and the reason is the correct explanation for the assertion.
(b) If both assertion and reason are correct but the reason is not the correct explanation for the assertion.
(c) If the assertion is correct but the reason is incorrect.
(d) If the assertion is incorrect but the reason is correct.
Assertion: Ionic solids are good conductors of electricity.
Reason: Ionic solids consists of anions and cations.

(a)

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(b)

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(c)

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(d)

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Solution

The correct option is A
(a)

Explanation for correct option (a):
The given assertion that Ionic solids are good conductors of electricity is correct. Ionic solids are good conductors of electricity as they pass electricity through them.
The given reason that Ionic solids consist of anions and cations is correct. Ionic solids consist of negative charges (cations) and positive charges (anions). The given reason is the correct explanation of the given assertion as electricity is conducted by any solid is due to the presence of mobile charges in them.

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