1. Tardigrade
  2. Question
  3. Chemistry
  4. An alkyl halide C5H11 Br (A) reacts with ethanolic KOH to give an alkene B which reacts with Br2 to give a compound ‘C, which on dehydrobromination gives an alkyne D On treatment with sodium metal in liquid ammonia, one mole of 'D' gives one mole of sodium salt of 'D' and half a mole of hydrogen gas. Complete hydrogenation of ‘D’ yields a straight chain alkane. Identify D.

Q. An alkyl halide reacts with ethanolic to give an alkene which reacts with to give a compound ‘, which on dehydrobromination gives an alkyne On treatment with sodium metal in liquid ammonia, one mole of '' gives one mole of sodium salt of '' and half a mole of hydrogen gas. Complete hydrogenation of ‘’ yields a straight chain alkane. Identify .

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Solution:

Correct answer is (b) Pent--yne

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