Jump to a section

Chemistry - Aldehydes and Ketones

Practise 44 VITEEE previous year questions on Aldehydes and Ketones, compiled from papers spanning 2006 to 2023. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty VITEEE tests.

Aldehydes and Ketones has been asked in 16 of the 18 years of VITEEE papers analysed (2006–2024), with 44 questions in all. 41% of them were easy, 39% moderate and 20% tough. Most of its questions came from 2017, with 6 questions that year. In the last three years (2022–2024) it had 7 questions across 2 papers, about 3.5 per paper.

The chapter's 5 topics are not weighted equally: Chemical reactions for aldehydes and ketones (21 questions, 48%), Tests for aldehyde and ketones (11 questions, 25%), and Method of preparation for both aldehydes and ketones (6 questions, 14%) have been asked the most. Over the last five years the most frequent topics have been Tests for aldehyde and ketones (3), Method of preparation for both aldehydes and ketones (2), and Chemical reactions for aldehydes and ketones (1). Chemical reactions for aldehydes and ketones has produced the most tough questions (6).

  1. 1The compound which reacts with Fehling solution is2023Tests for aldehyde and ketones
  2. 2Which of the following is formed, when calcium acetate is heated?2023Method of preparation for both aldehydes and ketones
  3. 3The reaction of an organic compound with ammonia followed by nitration of the product gives a powerful explosive, called \( {RDX}\). The org2023Reactions for aldehydes
  4. 4Both propanoic acid, \( {CH}_3 {CH}_2 {COOH}\) as well as 2-chloropropanoic acid give precipitate with aq. \( {AgNO}_3\). How you distinguis2023Tests for aldehyde and ketones
  5. 5Ketones \([ {R}- {|| {O}}{ {C}}- {R}_1 {, where } {R}= {R}_1= { alkyl groups }] \) can be obtained in one step by2022Method of preparation for both aldehydes and ketones
  6. 6An ester (A) with molecular fomula, \( {C}_9 {H}_{10} {O}_2\) was treated with excess of \( {CH}_3 {MgBr}\) and the complex so formed was tr2022Tests for aldehyde and ketones
  7. 7Self condensation of two moles of ethyl acetate in presence of sodium ethoxide yields2022Chemical reactions for aldehydes and ketones
  8. 8An organic compound 'A' has the molecular formula , it undergoes iodoform test. When saturated with dil. it gives ' ' of molecular formula .2019Tests for aldehyde and ketones
  9. 9The reagent (s) which can be used to distinguish acetophenone from benzophenone is (are)2018Tests for aldehyde and ketones
  10. 101-Propanol and 2-propanol can be distinguished by2017Tests for aldehyde and ketones
  11. 11A mixture of benzaldehyde and formaldehyde on heating with aqueous solution gives2017Chemical reactions for aldehydes and ketones
  12. 12In the following reaction sequence, the correct structures of and are implies labelled carbon)2017Tests for aldehyde and ketones
  13. 13A substance yields on oxidation a compound, which gives an oxime and a positive iodoform test. The original substance on treatment with conc2017Tests for aldehyde and ketones
  14. 14The number of aldol reaction(s) that occurs in the given transformation is :2017Chemical reactions for aldehydes and ketones
  15. 15What is D in the following sequence of reactions?2017Chemical reactions for aldehydes and ketones
  16. 16Acetophenone and Benzophenone can be distinguished by which of the following test2016Chemical reactions for aldehydes and ketones
  17. 17Which of the following name reaction is not used for introducing a - COOH group?2016Chemical reactions for aldehydes and ketones
  18. 18In the cannizzaro reaction given below the slowest step is2015Chemical reactions for aldehydes and ketones
  19. 19Which of the following pairs give positive Tollen's test?2014Tests for aldehyde and ketones
  20. 20What will be the order of reactivity of the following carbonyl compounds with Grignard's reagent?2014Method of preparation for both aldehydes and ketones
  21. 21Which of the following does not undergo benzoin condensation?2013Chemical reactions for aldehydes and ketones
  22. 22Ketones where, alkyl group can be obtained in one step by2013Method of preparation for both aldehydes and ketones
  23. 23and respectively are2013Chemical reactions for aldehydes and ketones
  24. 24In a Claisen condensation reaction (when an ester is treated with a strong base)2013Chemical reactions for aldehydes and ketones
  25. 25Following compounds are given (i) (ii) (iii) (iv) Which of the above compound(s) on being warmed with iodine solution and , will give iodofo2012Tests for aldehyde and ketones
  26. 26Match the compounds given in List-I with List-II and select the suitable option using the codes given below Codes:2012Chemical reactions for aldehydes and ketones
  27. 27An al kene having molecular formula on ozonolysis yields glyoxal and 2, 2-dimethyl butane- 1,4 -dial. The structure of alkene is2011Method of preparation for both aldehydes and ketones
  28. 28Preview not available - open to view this question.2011Chemical reactions for aldehydes and ketones
  29. 29Which of the following will give Cannizzaro reaction?2011Chemical reactions for aldehydes and ketones
  30. 30Which of the following is a Gatterm ann aldehyde synthesis?2010Method of preparation for Aldehydes
  31. 31Aldol is2010Chemical reactions for aldehydes and ketones
  32. 32On treatment of propanone with dilute , the product formed is2010Chemical reactions for aldehydes and ketones
  33. 33Formation of cyanohydrin from a ketone is an, example of2010Chemical reactions for aldehydes and ketones
  34. 34The synthesis of crotonaldehyde from acetaldehyde is an example of reaction,2009Chemical reactions for aldehydes and ketones
  35. 35Alkyl cyanides undergo Stephen reduction to produce2008Method of preparation for Aldehydes
  36. 36A wittig reaction with an aldehyde gives2008Chemical reactions for aldehydes and ketones
  37. 37Cannizaro reaction is given by2008Chemical reactions for aldehydes and ketones
  38. 38Identify the reactant2008Method of preparation for Aldehydes
  39. 39The catalyst used in Rosenmund reaction is2007Method of preparation for Aldehydes
  40. 40Preview not available - open to view this question.2007Reactions for aldehydes
  41. 41Aldol condensation is given by2007Chemical reactions for aldehydes and ketones
  42. 42What is the reaction of acetaldehyde with concentrated sulphuric acid?2006Method of preparation for both aldehydes and ketones
  43. 43Identify the correct statement2006Chemical reactions for aldehydes and ketones
  44. 44Which among the following reduces Fehling's solution?2006Tests for aldehyde and ketones

Frequently Asked Questions

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

This chapter includes 44 questions compiled from VITEEE papers spanning 2006 to 2023.

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

These are VITEEE 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 VITEEE Chemistry?

Aldehydes and Ketones has appeared in 16 of the 18 years of VITEEE papers covered here, with 44 questions across 16 papers - about 3 per paper it appears in.

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

Of the 44 questions analysed for this chapter, 41% are easy, 39% moderate and 20% tough. 2017 had the most, with 6 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 - 21 questions (48%)
  • Tests for aldehyde and ketones - 11 questions (25%)
  • Method of preparation for both aldehydes and ketones - 6 questions (14%)
  • Chemical reactions for aldehydes and ketones has produced the most tough questions (6).
6.Is Aldehydes and Ketones's weightage in VITEEE going up or down?

Across all 16 papers analysed, Aldehydes and Ketones has averaged about 2.8 questions per paper. In the last three years (2022–2024), that average has risen, at about 3.5 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.