Hydrocarbons

JEE Advanced · Chemistry · 29 past questions

1. Q1 2026 Paper 1

   Treatment of buta-1,3-diyne with NaNH$_2$ (2 equivalents), followed by reaction with excess of…

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2. Q2 2025 Paper 1

   Consider the depicted hydrogen (**H**) in the hydrocarbons given below. The most acidic hydrogen (**H**) is (with a figure)

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3. Q3 2022 Paper 2

   Considering the following reaction sequence, the correct statement(s) is(are) (with a figure)

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4. Q4 2021 Paper 1

   The major product formed in the following reaction is (with a figure)

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5. Q5 2020 Paper 1

   With respect to the compounds I-V, choose the correct statement(s). (with a figure)

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6. Q6 2020 Paper 1

   In the following reaction, compound Q is obtained from compound P via an ionic intermediate.… (with a figure)

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7. Q7 2020 Paper 2

   Consider the following transformations of a compound P.… (with a figure)

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8. Q8 2019 Paper 1

   Schemes 1 and 2 describe the conversion of P to Q and R to S, respectively. Scheme 3 describes the synthesis… (with a figure)

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9. Q9 2019 Paper 2

   Which of the following reactions produce(s) propane as a major product? (with a figure)

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10. Q10 2019 Paper 2

    Choose the correct option(s) that give(s) an aromatic compound as the major product (with a figure)

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11. Q11 2017 Paper 1

    The correct statement(s) for the following addition reactions is(are) (with a figure)

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12. Q12 2017 Paper 1

    Among the following, the number of aromatic compound(s) is (with a figure)

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13. Q13 2017 Paper 2

    PARAGRAPH 2… (with a figure)

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14. Q14 2016 Paper 2

    Among the following, reaction(s) which gives(give) *tert*-butyl benzene as the major product is(are) (with a figure)

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15. Q15 2015 Paper 2

    The major product U in the following reactions is (with a figure)

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16. Q16 2015 Paper 2

    In the following reactions… (with a figure)

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17. Q17 2015 Paper 2

    In the following reactions… (with a figure)

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18. Q18 2014 Paper 2

    Match the four starting materials (P, Q, R, S) given in List I with the corresponding reaction schemes (I… (with a figure)

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19. Q19 2013 Paper 1

    Among $P$, $Q$, $R$ and $S$, the aromatic compound(s) is/are (with a figure)

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20. Q20 2013 Paper 1

    Benzene and naphthalene form an ideal solution at room temperature. For this process, the true statement(s)…

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21. Q21 2012 Paper 1

    Which of the following molecules, in pure form, is (are) **unstable** at room temperature ? (with a figure)

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22. Q22 2012 Paper 2

    Paragraph for Questions 33 and 34… (with a figure)

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23. Q23 2012 Paper 2

    Paragraph for Questions 33 and 34… (with a figure)

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24. Q24 2011 Paper 1

    An acyclic hydrocarbon P, having molecular formula C6H10, gave acetone as the only organic product through… (with a figure)

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25. Q25 2011 Paper 1

    An acyclic hydrocarbon P, having molecular formula C6H10, gave acetone as the only organic product through… (with a figure)

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26. Q26 2010 Paper 1

    The synthesis of 3-octyne is achieved by adding a bromoalkane into a mixture of sodium amide and an alkyne.…

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27. Q27 2008 Paper 1

    STATEMENT-1 : Bromobenzene upon reaction with $\mathrm{Br_2}$/Fe gives 1,4-dibromobenzene as the major…

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28. Q28 2007 Paper 1

    The reagent(s) for the following conversion, is/are (with a figure)

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29. Q29 2007 Paper 1

    The number of structural isomers for $C_6H_{14}$ is

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