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Chemistry - Aldehydes and Ketones

Practise 19 MHT-CET (PCB) previous year questions on Aldehydes and Ketones, compiled from papers in 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty MHT-CET (PCB) tests.

Aldehydes and Ketones has been asked in 1 of the 1 years of MHT-CET (PCB) papers analysed (2026), with 19 questions in all. 47% of them were easy, 53% moderate and 0% tough. Most of its questions came from 2026, with 19 questions that year. In 2026 it had 19 questions across 11 papers, about 1.7 per paper.

The chapter's 4 topics are not weighted equally: Chemical reactions for aldehydes and ketones (11 questions, 58%), Method of preparation for Aldehydes (4 questions, 21%), and Tests for aldehyde and ketones (2 questions, 11%) have been asked the most.

  1. 1Base catalyzed aldol condensation occurs with26 Apr, 2026 (M)Chemical reactions for aldehydes and ketones
  2. 2Which of the following statements regarding the haloform test is NOT correct?25 Apr, 2026 (M)Tests for aldehyde and ketones
  3. 3Aromatic aldehydes are less reactive than the aliphatic aldehydes in nucleophilic addition reaction this is due to25 Apr, 2026 (E)Chemical reactions for aldehydes and ketones
  4. 4When a mixture of an aldehyde and Fehling solution is boiled in hot water, a red precipitate is formed. Here the obtained red precipitate is25 Apr, 2026 (E)Reactions for aldehydes
  5. 5Which of the following undergoes Haloform reaction?24 Apr, 2026 (M)Chemical reactions for aldehydes and ketones
  6. 6Identify a final product obtained when Pent-3-enenitrile is treated with followed by acid hydrolysis.24 Apr, 2026 (M)Method of preparation for Aldehydes
  7. 7What is the product obtained when Pent-3-enenitrile is treated with DIBAL-H followed by acid hydrolysis?24 Apr, 2026 (E)Method of preparation for Aldehydes
  8. 8Which of the following reagents gives the same reduction product with propionaldehyde and acetone ?24 Apr, 2026 (E)Chemical reactions for aldehydes and ketones
  9. 9Which one of the following compounds, on reaction with hydrogen cyanide (HCN), gives an optically active cyanohydrin?23 Apr, 2026 (M)Chemical reactions for aldehydes and ketones
  10. 10Benzaldehyde is converted to benzyl alcohol by23 Apr, 2026 (M)Chemical reactions for aldehydes and ketones
  11. 11Which is the best reagent for the following conversion?23 Apr, 2026 (E)Chemical reactions for aldehydes and ketones
  12. 12Aldehydes containing at least one -hydrogen atom undergo a reaction in presence of dilute aq. NaOH to form -hydroxyl aldehyde. Identify the 23 Apr, 2026 (E)Chemical reactions for aldehydes and ketones
  13. 13Which of the following reagents converts acid chloride to aldehyde selectively?23 Apr, 2026 (E)Method of preparation for Aldehydes
  14. 14An organic compound 'A' ( ) gives a positive iodoform test but does not reduce Tollens' reagent. Identify the compound 'A':22 Apr, 2026 (M)Tests for aldehyde and ketones
  15. 15Which of the following reactions converts to ? (A) Rosenmund's reaction (B) Aldol condensation (C) Clemmensen's reduction (D) Wolf-Kishner r21 Apr, 2026 (M)Chemical reactions for aldehydes and ketones
  16. 16Identify a catalyst used in Stephen reaction from the following.21 Apr, 2026 (M)Method of preparation for Aldehydes
  17. 17What is metaldehyde?21 Apr, 2026 (E)Reactions for aldehydes
  18. 18Which of the following reagents reacts with both aldehydes and ketones?21 Apr, 2026 (E)Chemical reactions for aldehydes and ketones
  19. 19Which of the following compounds will not undergo aldol condensation?21 Apr, 2026 (E)Chemical reactions for aldehydes and ketones

Frequently Asked Questions

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

This chapter includes 19 questions compiled from MHT-CET (PCB) papers in 2026.

2.Are these questions only from MHT-CET (PCB), or from other exams too?

These are MHT-CET (PCB) questions specifically for the Aldehydes and Ketones chapter. Questions from other exams like NEET or AIIMS are organised separately under their respective exam sections.

3.Is Aldehydes and Ketones an important chapter for MHT-CET (PCB) Chemistry?

Aldehydes and Ketones has appeared in 1 of the 1 year of MHT-CET (PCB) papers covered here, with 19 questions across 10 papers - about 2 per paper it appears in.

4.What is the difficulty level of Aldehydes and Ketones questions in MHT-CET (PCB)?

Of the 19 questions analysed for this chapter, 47% are easy, 53% moderate and 0% tough. 2026 had the most, with 19 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 - 11 questions (58%)
  • Method of preparation for Aldehydes - 4 questions (21%)
  • Tests for aldehyde and ketones - 2 questions (11%)
6.Is Aldehydes and Ketones's weightage in MHT-CET (PCB) going up or down?

Across all 10 papers analysed, Aldehydes and Ketones has averaged about 1.9 questions per paper. In 2026, that average has stayed about the same, at about 1.7 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.