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The trans-alkenes are formed by the reduction of alkynes with

Options

  1. ASn - HCl
  2. BH 2 - Pd / C ,   BaSO 4
  3. CNaBH 4
  4. DNa / liq . NH 3

Correct answer

D. Na / liq . NH 3

Step-by-step solution

Birch reduction is anti-addition. So trans alkene will be produced.

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