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Chemistry - Hydrocarbons

Practise 121 TS EAMCET previous year questions on Hydrocarbons, 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 TS EAMCET tests.

Hydrocarbons has been asked in 23 of the 24 years of TS EAMCET papers analysed (2001–2024), with 121 questions in all. 26% of them were easy, 48% moderate and 26% tough. Most of its questions came from 2023, with 17 questions that year. In the last three years (2022–2024) it had 39 questions across 17 papers, about 2.3 per paper.

The chapter's 10 topics are not weighted equally: Reactions of alkenes (37 questions, 31%), Reactions of aromatic compounds (36 questions, 30%), and Properties and Preparation of Alkanes (15 questions, 12%) have been asked the most. Over the last five years the most frequent topics have been Reactions of aromatic compounds (24), Reactions of alkenes (20), and Properties and Preparation of Alkanes (9). Reactions of aromatic compounds has produced the most tough questions (13).

  1. 1Identify the compound in the following reaction sequence04 May, 2025 (M)Reactions of alkynes
  2. 2Match the following The correct answer is04 May, 2025 (M)Reactions of alkynes
  3. 3The reaction of benzene with CO and HCl in the presence of anhydrous gives a compound X. X can also be obtained from which of the following 04 May, 2025 (M)Reactions of aromatic compounds
  4. 4' X ' is the isomer of . It has four primary carbons and two tertiary carbons. ' X ' can be prepared from which of the following reaction?04 May, 2025 (E)Properties and Preparation of Alkanes
  5. 5What are X and Y respectively in the following reactions?04 May, 2025 (E)Reactions of aromatic compounds
  6. 6Toluene on reaction with reagent A gives X. This forms 2,4-dinitrophenylhydrazone and reduces ammonical silver nitrate solution. Reaction of04 May, 2025 (E)Reactions of aromatic compounds
  7. 7The empirical formula of the compound ' D ' formed in the given reaction sequence is03 May, 2025 (M)Reactions of Benzene
  8. 8An alkyne has the molecular formula . The number of 1-alkyne isomers (excluding stereoisomers) possible for it is03 May, 2025 (M)Properties and Preparation of Alkynes
  9. 9The products C and D are03 May, 2025 (M)Reactions of alkenes
  10. 10Arrange the following in decreasing order of their boiling points (A) 2 -Methylbutane (B) 2,2 - Dimethylpropane (C) Pentane (D) Hexane03 May, 2025 (E)Properties and Preparation of Alkanes
  11. 11Which of the following reactions is an example of Clemmensen reduction?03 May, 2025 (E)Properties and Preparation of Alkanes
  12. 12Consider the following sequence of reactions. In ' ' the number of carbons is ' ' and carbons is ' b '. Value of is02 May, 2025 (M)Preparation and Properties of Benzene
  13. 13For the alkyne with formula , the number of alkynes with acidic hydrogens is and number of alkynes with no acidic hydrogens is and are respe02 May, 2025 (M)Reactions of alkynes
  14. 14Which of the following is an example of electrophilic substitution reaction?02 May, 2025 (E)Reactions of aromatic compounds
  15. 15An alkene X on ozonolysis gives a mixture of simplest ketone and 3-Pentanone. The IUPAC name of the alkene X is02 May, 2025 (E)Reactions of alkenes
  16. 16Identify the product ' P ' in the given reaction sequence02 May, 2025 (E)Reactions of alkenes
  17. 17Identify the end product in the sequence of the following reactions11 May, 2024 (M)Reactions of aromatic compounds
  18. 18What are Y and Z respectively in the given reaction sequence?11 May, 2024 (M)Reactions of alkenes
  19. 19Acroleon is one of the chemicals formed when and react with unburnt hydrocarbons present in the polluted air. The structure of ' X ' is10 May, 2024 (M)Reactions of alkenes
  20. 20Compound ' A ' on heating with sodalime gives propane. Identify the compound 'A'.10 May, 2024 (M)Properties and Preparation of Alkanes
  21. 21Conversion of X to Y in the above reaction is10 May, 2024 (M)Reactions of alkanes
  22. 22The alkane which is next to methane in homologous series can be prepared from which of the following reactions? I. II. III. IV. Correct answ10 May, 2024 (E)Properties and Preparation of Alkanes
  23. 23What is ' ' in the following set of reactions?10 May, 2024 (E)Reactions of alkenes
  24. 24An alkene exhibits geometrical isomerism. Oxidation of A with gave Y . On heatirg sodium salt of Y with a mixture of NaOH and CaO gave Z . W09 May, 2024 (M)Reactions of alkenes
  25. 25The number of activating and deactivating groups of the following are respectively09 May, 2024 (M)Reactions of aromatic compounds
  26. 26X and Z respectively in the following reaction sequence are09 May, 2024 (M)Reactions of aromatic compounds
  27. 27What is the percentage of carbon in the product ' X ' formed in the given reaction?09 May, 2024 (E)Reactions of Benzene
  28. 28In the conversion of A to , the electrophile involved is14 May, 2023 (M)Reactions of aromatic compounds
  29. 29An alkene on ozonolysis gives a mixture of Propan-2-one and methanal. What is ?14 May, 2023 (M)Reactions of alkenes
  30. 30Identify the major product in the given sequence of reactions.14 May, 2023 (M)Properties and Preparation of Alkenes
  31. 31Addition of to propene in presence of a peroxide takes place contrary to Markovnikov rule. This can be explained by the mechanism involving14 May, 2023 (E)Reactions of alkenes
  32. 32The rate of attack of an electrophile is least when in the given compound is14 May, 2023 (E)Reactions of aromatic compounds
  33. 33The main reactants involved in Etard reaction are14 May, 2023 (E)Reactions of aromatic compounds
  34. 34In the following reaction ' ' is an aromatic compound having substituents . What are ?13 May, 2023 (M)Reactions of alkenes
  35. 35An alkene on ozonolysis gives propanal and ethanal. What is ?13 May, 2023 (M)Reactions of alkenes
  36. 36Match the following13 May, 2023 (M)Reactions of aromatic compounds
  37. 37The product(s) formed when m-chlorobenzaldehyde is heated with concentrated is/are13 May, 2023 (M)Reactions of aromatic compounds
  38. 38In the following sequence of reaction identify the major product B13 May, 2023 (M)Reactions of aromatic compounds
  39. 39An alkene on ozonlysis gave acetaldehyde and ethyl methyl ketone. What is the product formed when reacts with ?13 May, 2023 (E)Reactions of alkenes
  40. 40What is is the following reaction sequence?13 May, 2023 (E)Reactions of aromatic compounds
  41. 41I. II. The functional groups in and are respectively12 May, 2023 (M)Reactions of alkenes
  42. 42Identify the major product in the given sequence of reactions12 May, 2023 (M)Reactions of alkenes
  43. 43Identify and from the following reactions (I)12 May, 2023 (M)Reactions of alkenes
  44. 44Identify ' ' in the following reaction sequence12 May, 2023 (E)Reactions of aromatic compounds
  45. 45The organic compound 5-allylcyclohex-3-ene-1-ol is reacted with cold, dilute, aqueous solution of . The total number of hydroxyl group prese20 Jul, 2022 (M)Reactions of alkenes
  46. 46The molecular formula of the product formed when benzene is reacted with excess of chlorine molecules under ultra-violet light is20 Jul, 2022 (M)Reactions of aromatic compounds
  47. 47The major products P and Q in the following reactions, respectively, are19 Jul, 2022 (M)Properties and Preparation of Alkenes
  48. 48The major product formed in the following reaction sequence is19 Jul, 2022 (M)Reactions of aromatic compounds
  49. 49The major product of the following reactions is19 Jul, 2022 (M)Reactions of aromatic compounds
  50. 50The major product of the following reactions is19 Jul, 2022 (E)Reactions of aromatic compounds

Frequently Asked Questions

1.How many questions are available for Hydrocarbons?

This chapter includes 121 questions compiled from TS EAMCET papers spanning 2001 to 2025.

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

These are TS EAMCET questions specifically for the Hydrocarbons chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Hydrocarbons an important chapter for TS EAMCET Chemistry?

Hydrocarbons has appeared in 24 of the 25 years of TS EAMCET papers covered here, with 121 questions across 58 papers - about 2 per paper it appears in.

4.What is the difficulty level of Hydrocarbons questions in TS EAMCET?

Of the 121 questions analysed for this chapter, 26% are easy, 48% moderate and 26% tough. 2023 had the most, with 17 questions.

5.Which topics in Hydrocarbons should I focus on?

These topics have carried the most weightage in Hydrocarbons:

  • Reactions of alkenes - 37 questions (31%)
  • Reactions of aromatic compounds - 36 questions (30%)
  • Properties and Preparation of Alkanes - 15 questions (12%)
  • Reactions of aromatic compounds has produced the most tough questions (13).
6.Is Hydrocarbons's weightage in TS EAMCET going up or down?

Across all 58 papers analysed, Hydrocarbons has averaged about 2.1 questions per paper. In the last three years (2022–2024), that average has stayed about the same, at about 2.3 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.