MCQMediumJEE Main 2026 · 28 January, Shift 1Alkynes (Acidic Nature, Reactions)

Chemistry Question from JEE Main 2026 · 28 January, Shift 1

Given below are two statements for the following reaction sequence:

Reaction sequence showing compound X of molecular formula C3H6Cl2 converting to compound Y with excess NaNH2, then Y to compound Z with dil. H2SO4 and Hg2+, and Y to compound Q through a red hot iron tube, where Q has molecular formula C9H12.

Statement I: Compound ZZ gives a yellow precipitate with NaOI.

Statement II: Compound QQ has two different types of hydrogen atoms (aromatic : aliphatic) in the ratio 1:31:3.

Choose the correct answer.

  • A

    Both Statement I and Statement II are true

  • B

    Statement I is false but Statement II is true

  • C

    Statement I is true but Statement II is false

  • D

    Both Statement I and Statement II are false

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