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Friday, 9 October

JEE Main Chemistry · Aldehydes, Ketones and Carboxylic Acids

Nucleophilic Acyl Substitution

Nucleophilic Acyl Substitution (Aldehydes, Ketones and Carboxylic Acids) was asked 2 times in 2 JEE Main shifts, 2025–2026, out of the 42 shifts Lumi analysed.

Times asked
2
in 2 shifts
Years
2025–2026
Usual format
Diagram based
Multi-step
Pattern
New since 2024
repeats across shifts

How it is asked

  • Predict product of reaction
  • Order/ranking of reactivity of acid derivatives

Difficulty

Easy 1Medium 0Hard 1

Where it sits

Chapter: Aldehydes, Ketones and Carboxylic Acids. Topic: Carboxylic Acids and Derivatives, 20 questions over 12 ideas.

Other repeat ideas in this topic

Every time it came

All 2 questions

Newest first, each with its options and official answer.

  1. 8 Apr 2026, Shift 2 · Q67Consider the following reaction. [figure: N-substituted 2-piperidone (six-membered lactam, C=O adjacent to ring N) with N bonded to…HardDiagram basedHas a figure
  2. 2 Apr 2025, Shift 1 · Q67Consider the following molecules : (p) CH3−CH2−C(=O)−Cl\mathrm{CH_3-CH_2-C(=O)-Cl} (q) CH3−CH2−C(=O)−O−C(=O)−CH3\mathrm{CH_3-CH_2-C(=O)-O-C(=O)-CH_3} (r)…EasySingle correctHas a figure