Question Detail

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

What is the product when 2‑butyne is hydrogenated with H₂ / Lindlar’s catalyst?
Options
A Butane
B cis‑2‑Butene
Correct Answer
C trans‑2‑Butene
D 1‑Butene
Correct Answer

Option B is the correct answer.

Detailed Explanation

Lindlar’s catalyst gives syn addition, producing the cis‑alkene.

Hint

Syn addition → cis product.

Question Info

Course: CHM 102
Topic: Alkynes: Structure, Bonding, and Nomenclature
Type: Objective
Difficulty: Not specified
Question 576 of 1999
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