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Saturday, 31 October

JEE Main · Chemistry · Aldehydes, Ketones and Carboxylic Acids

Reduction of Acids

JEE Main asked Reduction of Acids 5 times in 5 of the 108 shifts Lumi analysed, in 2020, 2021, 2022, 2023 and 2024. It belongs to Carboxylic Acids and Derivatives, in Aldehydes, Ketones and Carboxylic Acids (Chemistry). The longest wait between two years asking it was 1 year.

Updated 2026-10-24

Times asked
5
in 5 shifts
Years
5 of 8
First asked
2020
last in 2024
Pattern
Asked most years
across the analysed shifts

Questions on this idea a shift, by year

2017–2026. Asked in 2020, 2021, 2022, 2023 and 2024. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.

00.050.10’170.08’200.03’210.03’220.07’230.05’240’250’26

Raw count: 2017: 0 in 1 shift · 2020: 1 in 12 shifts · 2021: 1 in 24 shifts · 2022: 1 in 24 shifts · 2023: 1 in 12 shifts · 2024: 1 in 18 shifts · 2025: 0 in 8 shifts · 2026: 0 in 9 shifts.

Shift by shift

Each square is one analysed shift, in date order. Open a filled one for that paper.

  • 20260 of 9
  • 20250 of 8
  • 20241 of 18
  • 20231 of 12
  • 20221 of 24
  • 20211 of 24
  • 20201 of 12
  • 20170 of 1

Asked in that shift More than once Not asked

How JEE Main framed it

Match the list is the usual form. Skill tested: application.

  • Reagent identification
  • Match list on reagents for functional-group conversions

Difficulty

Easy 0Medium 5Hard 0

Every question was multiple choice.

Every question

All 5 questions

From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.

  1. 1 Feb 2024, Shift 1 · Q76Match List - I with List - II. List - I (Reactions) (A) CH3(CH2)5−C(=O)−OC2H5⟶CH3(CH2)5CHO\mathrm{CH_3(CH_2)_5-C(=O)-OC_2H_5 \longrightarrow CH_3(CH_2)_5CHO} (B)…MediumMatch the list
  2. 8 Apr 2023, Shift 1 · Q74The major product formed in the following reaction is: [reaction: ortho-disubstituted benzene bearing CH2CH2CO2H\mathrm{CH_2CH_2CO_2H} and…MediumDiagram basedHas a figure
  3. 26 Jun 2022, Shift 2 · Q75The reagent, from the following, which converts benzoic acid to benzaldehyde in one step is [drawn benzene ring with COOH, arrow, drawn…MediumSingle correctHas a figure
  4. 26 Aug 2021, Shift 2 · Q45Match List - I with List - II. List - I (Chemical Reaction) (a) CH3COOCH2CH3→CH3CH2OH\mathrm{CH_3COOCH_2CH_3} \rightarrow \mathrm{CH_3CH_2OH} (b)…MediumMatch the listHas a figure
  5. 8 Jan 2020, Shift 1 · Q39The most suitable reagent for the given conversion is :MediumSingle correctHas a figure

Shifts: 8 Jan 2020, Shift 1, 26 Aug 2021, Shift 2, 26 Jun 2022, Shift 2, 8 Apr 2023, Shift 1, 1 Feb 2024, Shift 1.

Same topic

Other ideas in Carboxylic Acids and Derivatives

Carboxylic Acids and Derivatives has 15 ideas JEE Main has asked; 11 of them came up in more than one question. The 12 most asked are below.

Topic analysisChapter analysisStudy this chapterAll repeated ideas