JEE Chemistry

Alkynes (Acidic Nature, Reactions): JEE Questions & Solutions

10 previous-year JEE Chemistry questions on Alkynes (Acidic Nature, Reactions), each with a worked step-by-step solution.

Intermediate

Previous-year questions

  1. 01Consider the following reaction: The product Y formed is:MCQMediumJEE 2026
  2. 02The dibromo compound P (molecular formula: C₉H₁₀Br₂) when heated with excess sodamide followed by treatment with dilute HCl gives Q. On…MCQMediumJEE 2026
  3. 03Identify (P)MCQMediumJEE 2026
  4. 04Given below are two statements for the following reaction sequence: Statement I: Compound Z gives a yellow precipitate with NaOI. Statement…MCQMediumJEE 2026
  5. 05Given below are two statements: Statement I: One mole of propyne reacts with excess of sodium to liberate half a mole of H₂ gas. Statement…MCQEasyJEE 2025
  6. 06A compound 'X' absorbs 2 moles of hydrogen and 'X' upon oxidation with KMnO₄ - H⁺ gives the following products: CH₃-C | O-CH₃, CH₃-C | O-OH…NVAMediumJEE 2025
  7. 07An optically active alkyl halide C₄H₉Br [A] reacts with hot KOH dissolved in ethanol and forms alkene [B] as major product which reacts…MCQMediumJEE 2025
  8. 08View questionMCQMediumJEE 2025
  9. 09Compound A formed in the following reaction reacts with B, giving the product C. CH₃-C≡ CH + Na → A B → CH₃-C≡ C-CH₂-CH₂-CH₃ + NaBr Find…MCQEasyJEE 2024
  10. 10The incorrect statement regarding ethyne is:MCQEasyJEE 2024

Frequently asked questions

Our bank has 10 previous-year JEE Chemistry questions tagged to Alkynes (Acidic Nature, Reactions), drawn from JEE papers between 2024 and 2026, including 4 from 2026 alone. Each comes with a full step-by-step solution.

Alkynes (Acidic Nature, Reactions) is rated Intermediate overall for JEE Chemistry. The PYQs on this page break down as 7 medium, 3 easy.

Of the 10 previous-year questions on Alkynes (Acidic Nature, Reactions), 9 are multiple-choice (MCQ) and 1 are numerical-value (NVA) questions.

Based on recent paper analysis, Alkynes (Acidic Nature, Reactions) is worth about 1 mark in JEE Main. It sits in Hydrocarbons, a Class 11 Chemistry chapter.

More Hydrocarbons topics

Electrophilic Substitution in Benzene24Alkenes (Electrophilic Addition, Polymerisation)19Aromatic Compounds & Benzene9Alkanes (Properties, Halogenation)3

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