Plz explain thsi question ...

Dear Student,
We know that carboxylic acids are stronger acid than ammonium ion. Carboxylic acids can easily loose H+ ions while -NH3+ have accepted H+ because of its basic nature and will not easily loose it. Thus X is more acidic than Y and Z.
Now In Z, -I of Caboxyl group is greater (Inductive effect is distance depending) than Y. Thus Z is more acidic than Y.
Answer - a: X>Z>Y



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