Question Detail
Question
Addition of two moles of HCl to propyne gives :
Correct Answer
Option A is the correct answer.
Detailed Explanation
Addition of 2 equivalents of HCl to propyne (CH3-C≡CH) gives 2,2-dichloropropane (CH3-CCl2-CH3). The first equivalent adds (Markovnikov) to give 2-chloropropene, and the second equivalent adds to give the geminal dichloride.
Hint
What is the product of two equivalents of HCl addition to propyne?