Question Detail

CHM 102 Alkynes: Structure, Bonding, and Nomenclature Objective Question
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Question

Which of the following is a valid method to prepare an alkyne from a vicinal dihalide?
Options
A Double dehydrohalogenation with strong base (e.g., NaNH2)
Correct Answer
B Hydrogenation
C Hydration
D Ozonolysis
Correct Answer

Option A is the correct answer.

Detailed Explanation

A vicinal dihalide undergoes two successive E2 eliminations with a strong base like NaNH2 to form an alkyne.

Hint

Two equivalents of HX are eliminated.

Question Info

Course: CHM 102
Topic: Alkynes: Structure, Bonding, and Nomenclature
Type: Objective
Difficulty: Not specified
Question 211 of 1999
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