Question Detail

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

Why do alkynes react with Br₂ but alkanes do not under normal conditions?
Options
A Alkynes are more polar
B Alkynes have π bonds that undergo electrophilic addition
Correct Answer
C Alkanes are too bulky
D Alkanes form stable carbocations
Correct Answer

Option B is the correct answer.

Detailed Explanation

Alkynes contain π bonds (electron‑rich) and undergo electrophilic addition; alkanes have only σ bonds and need free‑radical conditions.

Hint

Unsaturated hydrocarbons undergo addition with Br₂.

Question Info

Course: CHM 102
Topic: Alkynes: Structure, Bonding, and Nomenclature
Type: Objective
Difficulty: Not specified
Question 563 of 1999
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