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JEE Main Chemistry question

ChemistryAldehydes, Ketones and Carboxylic AcidsJEE Main

For the amino-acid-type species X, Y and Z shown (differing in the chain-length separation between a protonated amino group and the carboxylic acid), arrange in order of increasing acidic strength.

Answer: (B)

Solution

A nearby positively charged ammonium group withdraws electron density inductively from the carboxylic acid, stabilizing its conjugate base and increasing acidity; the closer the ammonium group is

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Question ID VK-139046