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KVPY2016ChemistryHydrocarbons

2,3 -dibromobutane can be converted to 2 -butyne in two-step reaction using

Options

  1. A(i) HCl and (ii) NaH
  2. B(i) alcoholic KOH and (ii) Na NH ₂
  3. C(i) Na and (ii) NaOH
  4. D(i) Br ₂ and (ii) NaH

Correct answer

B. (i) alcoholic KOH and (ii) Na NH ₂

Step-by-step solution

This is example of Dehydrohalogenation

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