Alkynes (Acidic Nature, Reactions): JEE Questions & Solutions
14 previous-year JEE Chemistry questions on Alkynes (Acidic Nature, Reactions), each with a worked step-by-step solution.
Previous-year questions
- 01
Consider the following reaction: The product Y formed is:
MCQMediumJEE 2026 - 02
The dibromo compound P (molecular formula: C9H10Br2) when heated with excess sodamide followed by treatment with dilute HCl gives Q. On…
MCQMediumJEE 2026 - 03
Identify (P)
MCQMediumJEE 2026 - 04
Given below are two statements for the following reaction sequence: Statement I: Compound Z gives a yellow precipitate with NaOI. Statement…
MCQMediumJEE 2026 - 05
Given 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 - 06
A compound 'X' absorbs 2 moles of hydrogen and 'X' upon oxidation with KMnO4 - H^+ gives the following products: The total number of bonds…
MCQMediumJEE 2025 - 07
An optically active alkyl halide C4H9Br [A] reacts with hot KOH dissolved in ethanol and forms alkene [B] as major product which reacts…
MCQMediumJEE 2025 - 08
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MCQMediumJEE 2025 - 09
The final product A, formed in the following multistep reaction sequence is: CH₃ - C≡CH + Na → A B → CH₃ - C≡C - CH₂ - CH₂ - CH₃ + NaBr…
MCQEasyJEE 2024 - 10
Compound 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 out A…
MCQEasyJEE 2024 - 11
The final product A, formed in the following multistep reaction sequence is: CH3 - C CH + Na A B CH3 - C C - CH2 - CH2 - CH3 + NaBr Choose…
MCQEasyJEE 2024 - 12
Major product of the following reaction is:
MCQMediumJEE 2024 - 13
The incorrect statement regarding ethyne is:
MCQEasyJEE 2024 - 14
Molar mass of the hydrocarbon (X) which on ozonolysis consumes one mole of O3 per mole of (X) and gives one mole each of ethanol and…
NVAEasyJEE 2023
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