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Chemistry - Aldehydes and Ketones

Practise 83 AP EAMCET previous year questions on Aldehydes and Ketones, compiled from papers spanning 2001 to 2025. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty AP EAMCET tests.

Aldehydes and Ketones has been asked in 20 of the 24 years of AP EAMCET papers analysed (2001–2024), with 83 questions in all. 24% of them were easy, 55% moderate and 20% tough. Most of its questions came from 2018, with 15 questions that year. In the last three years (2022–2024) it had 19 questions across 28 papers, about 0.7 per paper.

The chapter's 7 topics are not weighted equally: Chemical reactions for aldehydes and ketones (42 questions, 51%), Tests for aldehyde and ketones (17 questions, 20%), and Method of preparation for Aldehydes (11 questions, 13%) have been asked the most. Chemical reactions for aldehydes and ketones has also led over the last five years, with 16 questions. Chemical reactions for aldehydes and ketones has produced the most tough questions (9).

  1. 1A carbonyl compound undergoes disproportionation with conc. KOH on heating. Product of X with is Y and product of X with is Z. What are Y an27 May, 2025 (M)Chemical reactions for aldehydes and ketones
  2. 2What are X and Y respectively in the following reaction sequence ?26 May, 2025 (M)Chemical reactions for aldehydes and ketones
  3. 3Arrange the following in decreasing order of electrophilicity of carbonyl carbon.24 May, 2025 (M)Chemical reactions for aldehydes and ketones
  4. 4In the given reaction sequence, conversion of X to Y is an example of23 May, 2025 (M)Chemical reactions for aldehydes and ketones
  5. 5What are in the following reaction sequence ? But-2-ene Ethanoic acid Ethanoyl chloride22 May, 2025 (E)Chemical reactions for aldehydes and ketones
  6. 6What are and in the following reaction sequence ?21 May, 2025 (M)Chemical reactions for aldehydes and ketones
  7. 7A carbonyl compound gives yellow precipitate with NaOI. Hemiacetal of X with methanol/dry HCl is21 May, 2025 (E)Tests for aldehyde and ketones
  8. 8The sequence of reagents required to convert ethylbromide to propanal is23 May, 2024 (M)Method of preparation for Aldehydes
  9. 9What are in the following reaction sequence respectively?23 May, 2024 (M)Method of preparation for Aldehydes
  10. 10An organic compound has an empirical formula . This gives a pale yellow precipitate with iodine in NaOH solution. What is X ?22 May, 2024 (M)Tests for aldehyde and ketones
  11. 11Match the following reagents with the products obtained when they reacted with a ketone. {array}{|l|l|l|l|} {|c|}{ List-I } & {c|}{ List-II 21 May, 2024 (M)Tests for aldehyde and ketones
  12. 12Which of the following sets of reagents convert toluene to benzaldehyde? A. B. C. D.21 May, 2024 (E)Method of preparation for Aldehydes
  13. 13The incorrect statement about ' B ' is20 May, 2024 (M)Tests for aldehyde and ketones
  14. 14Styrene on reaction with reagent X gave Y which on hydrolysis followed by oxidation gave Z . Z gives positive 2,4 - DNP test but does not gi20 May, 2024 (E)Tests for aldehyde and ketones
  15. 15The carbohydrate which does not react with ammonical solution is19 May, 2024 (E)Tests for aldehyde and ketones
  16. 16A carbonyl compound on oxidation gave a carboxylic acid . Oxime of X is19 May, 2024 (E)Chemical reactions for aldehydes and ketones
  17. 17The number of aldehydes that undergo cannizaro reaction from the following are Phenyl ethanal, Methanal, 2 Methoxy propanal, Trichoro ethana18 May, 2023 (E)Chemical reactions for aldehydes and ketones
  18. 18Which of the following is a hemiacetal?17 May, 2023 (M)Chemical reactions for aldehydes and ketones
  19. 19Which of the following reagents will convert isobutyraldehyde to the corresponding acid? {array}{cccc} {HNO}_3 & {NH}_2 {NH}_2 / {OH}^{-} & 17 May, 2023 (E)Chemical reactions for aldehydes and ketones
  20. 20What are ' ' and ' ' in the following reaction?17 May, 2023 (E)Chemical reactions for aldehydes and ketones
  21. 21What are and respectively in the following reaction?16 May, 2023 (M)Reactions for aldehydes
  22. 22The number of products obtained in the following reaction is15 May, 2023 (M)Chemical reactions for aldehydes and ketones
  23. 23What are ' ' and ' ' respectively in the following reactions?15 May, 2023 (M)Chemical reactions for aldehydes and ketones
  24. 24An organic compound on ozonolysis followed by treatment with zinc dust and water give product , which can be used to preserve biological spe08 Jul, 2022 (E)Method of preparation for both aldehydes and ketones
  25. 25Which of the following can undergo disproportionation reaction on heating with conc. alkali?07 Jul, 2022 (M)Chemical reactions for aldehydes and ketones
  26. 26Identify the major product from the following reaction sequence.05 Jul, 2022 (M)Reactions for ketones
  27. 27Identify the condensation product of the following reaction.25 Aug, 2021 (M)Chemical reactions for aldehydes and ketones
  28. 28Which of the following statement is false?25 Aug, 2021 (M)Tests for aldehyde and ketones
  29. 29Which compounds among the following give positive iodoform test?24 Aug, 2021 (E)Tests for aldehyde and ketones
  30. 30What is in the reaction given below? 4-methyl-pent-3-en-2-one23 Aug, 2021 (M)Method of preparation for Ketones
  31. 31The total number of structural products formed in the following reaction sequence is CH 3 COCl i ) CH 3 2 Cd ( P ) ( P ) + CH 3 CHO ii ) NaO19 Aug, 2021 (M)Chemical reactions for aldehydes and ketones
  32. 32Which of the following compounds would undergo aldol condensation?07 Oct, 2020 (Special)Chemical reactions for aldehydes and ketones
  33. 33An aromatic compound "A" on treatment with and subsequent heating with ammonical silver nitrate solution gives a black precipitate. Which fu07 Oct, 2020 (Special)Tests for aldehyde and ketones
  34. 34Which among the following is a possible product during cross aldol condensation between propanal (as electrophile) and butanal (as nucleophi22 Sep, 2020 (M)Chemical reactions for aldehydes and ketones
  35. 35Both ethanal and propanone will react with which of the following?22 Sep, 2020 (E)Tests for aldehyde and ketones
  36. 36Which of the following represent the structure of methyl hemiacetal of formaldehyde?21 Sep, 2020 (M)Chemical reactions for aldehydes and ketones
  37. 37The product formed when formaldehyde reacts with ammonia is18 Sep, 2020 (E)Reactions for aldehydes
  38. 38The cyclobutanone of semicarbazone is represented as17 Sep, 2020 (M)Chemical reactions for aldehydes and ketones
  39. 39Choose the incorrect statement among the following. A. The reactivity of aromatic aldehydes and ketones is less than that of aliphatic carbo17 Sep, 2020 (M)Reactions for aldehydes
  40. 40Which of the following are oxidised by \( {NaOCl}\) ?23 Apr, 2019 (M)Tests for aldehyde and ketones
  41. 41Benzaldehyde on heating with concentrated \( {NaOH}\) gives23 Apr, 2019 (M)Chemical reactions for aldehydes and ketones
  42. 42The product of the following reaction is20 Apr, 2019 (E)Chemical reactions for aldehydes and ketones
  43. 43In which of the following reactions, benzaldehyde is formed from benzoyl chloride and hydrogen in the presence of Pd - BaSO 4 ?25 Apr, 2018 (M)Method of preparation for Aldehydes
  44. 44The reagent used for the conversion of allyl alcohol into propenal is25 Apr, 2018 (M)Method of preparation for both aldehydes and ketones
  45. 45The compound which does not respond to iodoform test is25 Apr, 2018 (M)Tests for aldehyde and ketones
  46. 46Which of the following reactions does not represent the aldol condensation reaction?25 Apr, 2018 (M)Chemical reactions for aldehydes and ketones
  47. 47Butanone reacts with methyl magnesium bromide to form an addition product . On hydrolysis gives24 Apr, 2018 (M)Chemical reactions for aldehydes and ketones
  48. 48Preview not available - open to view this question.24 Apr, 2018 (M)Method of preparation for Aldehydes
  49. 49What are and in the following reactions?24 Apr, 2018 (E)Method of preparation for both aldehydes and ketones
  50. 50In which of the following reactions, benzaldehyde is formed from benzoyl chloride and hydrogen in the presence of23 Apr, 2018 (M)Method of preparation for Aldehydes

Frequently Asked Questions

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

This chapter includes 83 questions compiled from AP EAMCET papers spanning 2001 to 2025.

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

These are AP EAMCET 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 AP EAMCET Chemistry?

Aldehydes and Ketones has appeared in 21 of the 25 years of AP EAMCET papers covered here, with 83 questions across 57 papers - about one per paper it appears in.

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

Of the 83 questions analysed for this chapter, 24% are easy, 55% moderate and 20% tough. 2018 had the most, with 15 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 - 42 questions (51%)
  • Tests for aldehyde and ketones - 17 questions (20%)
  • Method of preparation for Aldehydes - 11 questions (13%)
  • Chemical reactions for aldehydes and ketones has produced the most tough questions (9).
6.Is Aldehydes and Ketones's weightage in AP EAMCET going up or down?

Across all 57 papers analysed, Aldehydes and Ketones has averaged about 1.5 questions per paper. In the last three years (2022–2024), that average has fallen, at about 0.7 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.