Assertion: A substance that can either act as an acid or a base is called ampholyte.

Reason: Bisulfite ion ( HS- ) and bicarbonate ion ( HCO3-) are ampholytes.

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

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

Assertion is correct but Reason is incorrect.

Assertion is incorrect but Reason is correct.

answer is B.

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Detailed Solution

Concept- Amphoteric compounds are those which can act as acid or base both. These are called ampholytes which can do both hydrolysis and ionisation .
Bisulfite ion ( HS- ) and bicarbonate ion ( HCO3-) are ampholytes.
The assertion is correct individually as well as the reason is correct individually. The given reason is not correct as per assertion because the content provided in the reason is actually the example of the given assertion.
Hence, the correct option is (2).

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