1.

Assertion: All amino acids exists as Zwitter ions. Reason: Amino acids have both - NH_(2) and -COOH group

Answer»

If both ASSERTION and REASON are true and the reason is the correct explanation of the assertion.
If both assertion and reason are true but reason is not the corret explanation of the assertion.
If assertion is true but reason is false.
If the assertion and the reason both are false.

Solution :All amino ACIDS possess amino as well as carboxylic group. `-NH_(2)` group is BASIC while -COOH group is acidic. Therefore, they behaveas zwitter ion (DIPOLAR ion) here, both assertion and reason are true and reason is a correct explanation.


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