Verified Solution • 2025–26 Session moderate

QJEEM19Ch0ff5: JEE Main 2019 Chemistry - Class 12 JEEM19Ch0ff5 Solution: The decreasing order of ease of alkaline hydrolysis for the…

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

JEE Main 2019 (Online) 10th January Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 195 English

Multiple Choice Options

  • A III > II > IV > I
  • B IV > II > III > I
  • C III > II > I > IV
  • D II > III > I > IV

Step-by-Step Verified Solution

More is the electrophilic character of carbonyl group of ester faster is the alkaline hydrolysis.

Since –I effect groups increase the electrophilic nature of carboxyl carbon whereas +I effect groups decrease the electrophilic nature of carboxyl carbon. Therefore, the correct decreasing order is III > II > I > IV.

Related Learning Resources & Exam Preparation