The isomerisation of 1−butyne to 2−butyne can be achieved by treatment with:
A
hydrochloric acid
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B
ammoniacal silver nitrate
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C
ammoniacal cuprous chloride
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D
ethanolic potassium hydroxide
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Solution
The correct option is D ethanolic potassium hydroxide The isomerization of 1−butyne to 2−butyne can be achieved by treatment with ethanolic potassium hydroxide.
CH3−CH2−C≡CHethanolicKOH−−−−−−−−−→isomerisationCH3−C≡C−CH3 Note: The isomerisation of 2−butyne to 1−butyne can be achieved by treatment with NaNH2/liqNH3.