Which of the following reagent will convert 2-hexyne specifically to trans-2-hexene?
A
Na /liquid 
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Dissolving-metal reduction (Na in liquid 
) reduces alkynes to transalkenes (anti-addition of H ), so 2 - hexyne → trans-2-hexene.
(Lindlar) gives cisalkene.
doesn't reduce alkynes to alkenes.
hydrogenates fully to alkane.
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