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NEET Chemistry Aldehydes, Ketones and Carboxylic Acids PYQ Analysis 2020–2026: Topic-wise Trends & Practice

Aldehydes, Ketones and Carboxylic Acids (NEET Chemistry): 26 questions in 2020–2026, 6.5% of the subject. Topic-wise trends, difficulty split, repeated topics and PYQ practice.

Edurack Team

October 13, 2026

Aldehydes, Ketones and Carboxylic Acids gave 26 of the 398 NEET Chemistry questions asked between 2020 and 2026 (Re-NEET 2026 included). That is 6.5% of the subject and the #1 chapter out of 31 by weightage, about 3.3 questions per paper. It peaked at 5 in NEET 2022.

Of the 26 questions tagged for difficulty, 8% were easy, 50% medium and 42% hard, so this is a chapter that tends to bring the tougher questions.

It has been asked less often lately: 2.3 questions per paper across 2025, 2026 and Re-NEET 2026, against 4 per paper in 2020–2022.

Year-wise questions from Aldehydes, Ketones and Carboxylic Acids

PaperQuestions
NEET 20203
NEET 20214
NEET 20225
NEET 20234
NEET 20243
NEET 20253
NEET 20261
Re-NEET 20263

Difficulty split

LevelQuestionsShare
Easy28%
Medium1350%
Hard1142%

Topic-wise analysis

Every topic tagged under Aldehydes, Ketones and Carboxylic Acids, most-asked first. "Papers" is the number of the 8 papers in which the topic appeared.

TopicTotal QsEasyMediumHardPapersAsked in
Aldehydes (Methods of Preparation)301232020, 2021 and Re-NEET 2026
Chemical Reactions of Aldehydes and Ketones (Addition of Grignard Reagent)301232020, 2021 and 2025
Miscellaneous/Mixed Reactions302132021, 2022 and 2023
Chemical Reactions of Aldehydes and Ketones (Oxidation and Reduction of Aldehydes)201122021 and 2023
Methods of Preparation for Aldehydes and Ketones (From Hydrocarbons)200212024
Carboxyl Group (Chemical Properties)110012025
Carboxyl Group (Methods of Preparation)100112022
Chemical Reactions of Aldehydes and Ketones (Addition of Hydrogen Cyanide)100112023
Chemical Reactions of Aldehydes and Ketones (Nucleophilic Addition Reactions)100112022
Chemical Reactions of Aldehydes and Ketones (Other Reactions)101012020
Chemical Reactions of Aldehydes and Ketones (Oxidation by Fehling's solution)110012024
Chemical Reactions of Aldehydes and Ketones (Oxidation by Tollen's Reagent)101012023
Chemical Reactions of Aldehydes and Ketones (Oxidation of Methyl Ketones by Haloform Reaction)10101Re-NEET 2026
Chemical Reactions of Aldehydes and Ketones (Oxidation)101012026
Chemical Reactions of Aldehydes and Ketones (Reaction Due to Presence of Alpha Hydrogen-Aldol/ C…)10101Re-NEET 2026
Chemical Reactions of Aldehydes and Ketones (Reduction Reactions)101012022
Physical Properties of Aldehydes and Ketones101012022
eMethods of Preparation for Aldehydes and Ketones (From Carboxylic Acids)101012025

Which topics matter most

Most-tested topics

  • Aldehydes (Methods of Preparation): 3 Qs
  • Chemical Reactions of Aldehydes and Ketones (Addition of Grignard Reagent): 3 Qs
  • Miscellaneous/Mixed Reactions: 3 Qs
  • Chemical Reactions of Aldehydes and Ketones (Oxidation and Reduction of Aldehydes): 2 Qs
  • Methods of Preparation for Aldehydes and Ketones (From Hydrocarbons): 2 Qs

Topics that keep coming back

These appeared in three or more different papers:

  • Aldehydes (Methods of Preparation): 3 papers (2020, 2021 and Re-NEET 2026)
  • Chemical Reactions of Aldehydes and Ketones (Addition of Grignard Reagent): 3 papers (2020, 2021 and 2025)
  • Miscellaneous/Mixed Reactions: 3 papers (2021, 2022 and 2023)

What the latest papers asked

Topics from NEET 2026 and Re-NEET 2026:

  • Aldehydes (Methods of Preparation)
  • Chemical Reactions of Aldehydes and Ketones (Oxidation of Methyl Ketones by Haloform Reaction)
  • Chemical Reactions of Aldehydes and Ketones (Oxidation)
  • Chemical Reactions of Aldehydes and Ketones (Reaction Due to Presence of Alpha Hydrogen-Aldol/ C…)

Where the hard questions came from

  • Aldehydes (Methods of Preparation): 2 hard of 3
  • Chemical Reactions of Aldehydes and Ketones (Addition of Grignard Reagent): 2 hard of 3
  • Methods of Preparation for Aldehydes and Ketones (From Hydrocarbons): 2 hard of 2
  • Miscellaneous/Mixed Reactions: 1 hard of 3
  • Chemical Reactions of Aldehydes and Ketones (Oxidation and Reduction of Aldehydes): 1 hard of 2
  • Carboxyl Group (Methods of Preparation): 1 hard of 1

How to use this data

  • Start with the 3 recurring topics above. They account for 9 of the chapter's 26 questions (35%).
  • 42% were hard. After the basics, practise multi-step and application questions from the hard-tagged topics.
  • Re-solve the 4 topics from NEET 2026 and Re-NEET 2026, since they show the current style of questions.
  • Then attempt the chapter's past questions under a timer and note which topics cost you marks.

Practise Aldehydes, Ketones and Carboxylic Acids PYQs

Solve every Aldehydes, Ketones and Carboxylic Acids question from 2020–2026 with solutions on Edurack:

Frequently Asked Questions

How many questions came from Aldehydes, Ketones and Carboxylic Acids in NEET 2020–2026?

Aldehydes, Ketones and Carboxylic Acids contributed 26 NEET Chemistry questions across the 8 papers from 2020–2026, which is 6.5% of the subject.

Which topics of Aldehydes, Ketones and Carboxylic Acids are asked most often?

The most-tested topics are Aldehydes (Methods of Preparation): 3 Qs, Chemical Reactions of Aldehydes and Ketones (Addition of Grignard Reagent): 3 Qs and Miscellaneous/Mixed Reactions: 3 Qs.

Is Aldehydes, Ketones and Carboxylic Acids easy or difficult in NEET?

Of 26 difficulty-tagged questions, 8% were easy, 50% medium and 42% hard.

Was Aldehydes, Ketones and Carboxylic Acids asked in NEET 2026?

Yes. It had 1 question in NEET 2026 and 3 questions in Re-NEET 2026.

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