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Chemistry - Aldehydes and Ketones

Practise 133 MHTCET previous year questions on Aldehydes and Ketones, compiled from papers spanning 2007 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty MHTCET tests.

Aldehydes and Ketones has been asked in 15 of the 17 years of MHTCET papers analysed (2007–2026), with 133 questions in all. 43% of them were easy, 54% moderate and 3% tough. Most of its questions came from 2026, with 25 questions that year. In the last three years (2024–2026) it had 62 questions across 59 papers, about 1.1 per paper.

The chapter's 9 topics are not weighted equally: Chemical reactions for aldehydes and ketones (41 questions, 31%), Method of preparation for Aldehydes (39 questions, 29%), and Method of preparation for Ketones (14 questions, 11%) have been asked the most. Chemical reactions for aldehydes and ketones has also led over the last five years, with 29 questions. Method of preparation for Ketones has produced the most tough questions (2).

  1. 1Which of the following reaction represents Rosenmund reduction ?20 Apr, 2026 (M)Method of preparation for Aldehydes
  2. 2Which of the following reactions is preferentially used to prepare the corresponding paraffins from alkanone?20 Apr, 2026 (E)Chemical reactions for aldehydes and ketones
  3. 3Which of the following compounds exhibits Schiff test?20 Apr, 2026 (E)Tests for aldehyde and ketones
  4. 4What is the product formed on Rosenmund reduction of benzoyl chloride ?19 Apr, 2026 (E)Method of preparation for Aldehydes
  5. 5Propyne on reaction with water in presence of sulphuric acid and mercuric sulphate forms18 Apr, 2026 (M)Method of preparation for both aldehydes and ketones
  6. 6Benzonitrile on reaction with a reagent in dry ether followed by hydrolysis forms benzophenone along with ammonia and hydroxymagnesium bromi18 Apr, 2026 (M)Method of preparation for Ketones
  7. 7Identify the product 'B' in the following reaction18 Apr, 2026 (M)Method of preparation for Aldehydes
  8. 8Identify the reagent 'R' used in the following reaction18 Apr, 2026 (M)Method of preparation for Aldehydes
  9. 9Identify the 'product' in the following reaction. Pent - 3 - enenitrile Product18 Apr, 2026 (E)Method of preparation for Aldehydes
  10. 10Identify the product 'Y' in the following reaction17 Apr, 2026 (E)Method of preparation for Ketones
  11. 11An organic compound is taken in two different containers A and B. Sample in A is treated with / Ni forming new compound P. Sample in B is tr16 Apr, 2026 (M)Chemical reactions for aldehydes and ketones
  12. 12Which of following observations is found in Tollens test for aldehydes?16 Apr, 2026 (M)Tests for aldehyde and ketones
  13. 13Identify the name of the above reaction.16 Apr, 2026 (E)Method of Preparation for Both Aldehydes and Ketones
  14. 14Acetone on heating with mainly forms,16 Apr, 2026 (E)Chemical reactions for aldehydes and ketones
  15. 15Aldehydes are more reactive than ketone towards nucleophilic attack because of?15 Apr, 2026 (M)Chemical reactions for aldehydes and ketones
  16. 16Which of the following statements is true regarding Cannizzaro reaction?15 Apr, 2026 (M)Chemical reactions for aldehydes and ketones
  17. 17Identify the product obtained when ketone reacts with - .13 Apr, 2026 (M)Chemical reactions for aldehydes and ketones
  18. 18Identify the reagent used in the transformation of Ketone into semicarbazone.13 Apr, 2026 (M)Chemical reactions for aldehydes and ketones
  19. 19Which of the following compounds can not form iodoform?13 Apr, 2026 (E)Tests for aldehyde and ketones
  20. 20Which of the following compounds dose NOT respond positively to the iodoform test ?13 Apr, 2026 (E)Tests for aldehyde and ketones
  21. 21Identify the product obtained when Grignard reagent reacts with alkyl cyanide followed by acid hydrolysis.11 Apr, 2026 (M)Method of preparation for Ketones
  22. 22Acetaldehyde, when heated in the presence of sodium hydroxide and iodine forms11 Apr, 2026 (M)Tests for aldehyde and ketones
  23. 23Which of the following reactions is an example of a disproportionation reaction?11 Apr, 2026 (M)Chemical reactions for aldehydes and ketones
  24. 24When ethanal and propanal undergo aldol condensation with dilute NaOH, the pair of products obtained by cross condensation reaction is11 Apr, 2026 (E)Chemical reactions for aldehydes and ketones
  25. 25In Gatterman reaction, which of the following catalyst is used?11 Apr, 2026 (E)Method of Preparation for Both Aldehydes and Ketones
  26. 26Identify the reagent used for Rosenmund reduction.05 May, 2025 (E)Method of preparation for Aldehydes
  27. 27Identify the reaction so that carbonyl group of aldehydes and ketones is reduced to methylene group on treatment with Zinc-amalgam and conce05 May, 2025 (E)Chemical reactions for aldehydes and ketones
  28. 28Which among the following has higher boiling point?27 Apr, 2025 (E)Chemical reactions for aldehydes and ketones
  29. 29Identify the products of following reaction?26 Apr, 2025 (M)Chemical reactions for aldehydes and ketones
  30. 30Which of the following does NOT exhibit haloform reaction?26 Apr, 2025 (M)Tests for aldehyde and ketones
  31. 31Identify the product formed when Hex-3-enenitrile is reduced with diisobutylaluminium hydride followed by acid hydrolysis?26 Apr, 2025 (E)Chemical reactions for aldehydes and ketones
  32. 32Identify the name of reaction if carbonyl group of aldehydes and ketones is reduced to methylene group on treatment with hydrazine followed 25 Apr, 2025 (M)Chemical reactions for aldehydes and ketones
  33. 33Which of the following is used as reagent in Etard reaction?25 Apr, 2025 (E)Chemical reactions for aldehydes and ketones
  34. 34Identify substrate 'S' in the following reaction.23 Apr, 2025 (M)Method of preparation for Ketones
  35. 35Which among the following compounds has highest boiling point?23 Apr, 2025 (M)Chemical reactions for aldehydes and ketones
  36. 36Which among the following has lowest boiling point?23 Apr, 2025 (E)Chemical reactions for aldehydes and ketones
  37. 37Identify the substrate ' ' in the following conversion.22 Apr, 2025 (E)Chemical reactions for aldehydes and ketones
  38. 38Identify the reagent ' ' used in the following reaction. Ketone Semicarbazone21 Apr, 2025 (M)Chemical reactions for aldehydes and ketones
  39. 39Which from following reagents is used in Gatterman-Koch formylation of arene?20 Apr, 2025 (M)Method of Preparation for Both Aldehydes and Ketones
  40. 40Which among the following compounds forms pink colouration on addition of Schiff's reagent?20 Apr, 2025 (E)Tests for aldehyde and ketones
  41. 41Identify the product ' ' in following reaction.20 Apr, 2025 (E)Chemical reactions for aldehydes and ketones
  42. 42Which from following compounds has highest boiling point?20 Apr, 2025 (E)Chemical reactions for aldehydes and ketones
  43. 43Identify the reagent used in following reaction. Ketone semi carbazone19 Apr, 2025 (M)Chemical reactions for aldehydes and ketones
  44. 44Identify the product of following reaction.19 Apr, 2025 (M)Chemical reactions for aldehydes and ketones
  45. 45Benzonitrile on reduction with stannous chloride in presence of hydrochloric acid followed by acid hydrolysis forms,19 Apr, 2025 (E)Method of preparation for Aldehydes
  46. 46Identify the product ' B ' in the following sequence of ractions. Methyl magnesium bromide19 Apr, 2025 (E)Method of preparation for Ketones
  47. 47Identify the substrate ' A ' in the following conversion.16 May, 2024 (M)Method of preparation for Aldehydes
  48. 48Identify the reagent ' R ' used in the following reaction. Ketone Semicarbazone15 May, 2024 (M)Reactions for ketones
  49. 49Which of the following is a simple ketone?15 May, 2024 (E)Method of preparation for Ketones
  50. 50Identify reagent used for preparation of benzophenone from benzonitrile?11 May, 2024 (M)Method of preparation for Aldehydes

Frequently Asked Questions

1.How many questions are available for Aldehydes and Ketones?

This chapter includes 133 questions compiled from MHTCET papers spanning 2007 to 2026.

2.Are these questions only from MHTCET, or from other exams too?

These are MHTCET questions specifically for the Aldehydes and Ketones chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Aldehydes and Ketones an important chapter for MHTCET Chemistry?

Aldehydes and Ketones has appeared in 15 of the 17 years of MHTCET papers covered here, with 133 questions across 84 papers - about 2 per paper it appears in.

4.What is the difficulty level of Aldehydes and Ketones questions in MHTCET?

Of the 133 questions analysed for this chapter, 43% are easy, 54% moderate and 3% tough. 2026 had the most, with 25 questions.

5.Which topics in Aldehydes and Ketones should I focus on?

These topics have carried the most weightage in Aldehydes and Ketones:

  • Chemical reactions for aldehydes and ketones - 41 questions (31%)
  • Method of preparation for Aldehydes - 39 questions (29%)
  • Method of preparation for Ketones - 14 questions (11%)
  • Method of preparation for Ketones has produced the most tough questions (2).
6.Is Aldehydes and Ketones's weightage in MHTCET going up or down?

Across all 84 papers analysed, Aldehydes and Ketones has averaged about 1.6 questions per paper. In the last three years (2024–2026), that average has fallen, at about 1.1 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.