STANDARDChemistry-Hydrocarbons
STANDARD Chemistry Alkynes MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Identify the reagent from the following list which can easily distinguish between 1-butyne and 2-butyne.
A
Bromine water
B
Baeyer's reagent
C
Dilute H₂SO₄ + HgSO₄
D
Ammoniacal Cu₂Cl₂
Correct Answer
Option D
Detailed Explanation
Ammoniacal Cu₂Cl₂ reacts with terminal alkynes like 1-butyne to form a copper acetylide precipitate, while 2-butyne does not react, allowing for differentiation.
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