HARDMCQ SINGLEJEE Mains ChemistryOrganic ChemistryHydrocarbonsAchiever Section
Reduction of 2-butyne with sodium in liquid ammonia gives predominantly :
A.cis- 2- Butene
B.No reaction
C.trans - 2- Butene✓ Correct
D.n-Butane
Explanation
Reduction of alkynes with Na/lig.NH₃ gives trans- alkenes. This reaction is called Birch reduction
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