Per NCERT §9.3.4(1), reduction of an internal alkyne with Na in LIQUID NH₃ gives which kind of alkene?
ACis
BMixed equally
CTrans
DGeminal
Answer & Solution
Correct answer: C. Trans
NCERT §9.3.4: Na/liq NH₃ (Birch-type) gives the trans alkene via vinyl-anion intermediates.
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