JEE Main 2019ChemistryCarboxylic Acid DerivativesHardMCQ

JEE Main 2019Carboxylic Acid Derivatives Question with Solution

JEE Main 2019 (10 Jan Shift 1)

Question

The decreasing order of ease of alkaline hydrolysis for the following esters is

Choose an option

Show full solutionCorrect option: B
Correct answer
BIII>II>I>IV

Step-by-step explanation

The rate of hydrolysis will depend on how likely a molecule is to accepting  OH-  ions. Rate of hydrolysis α-M  effect or -I of ester. -M>-I. -NO2  is a strong EWG (Electron withdrawing group),-Cl is a weak EWG and OCH3 is an EDG(Electron donating group).

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About this question

This is a previous-year question from JEE Main 2019, covering the Carboxylic Acid Derivatives chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.