Which Reaction Sequence Would Convert Cis-2-Butene to Trans-2-Butene

question 52

Multiple Choice

Which reaction sequence would convert cis-2-butene to trans-2-butene?

• A)Br₂/CCl₄; then 2 NaNH₂; then H₂/Ni₂B(P-2)
• B)Br₂/CCl₄; then 2 NaNH₂; then Li/liq.NH₃
• C)H₃O⁺,heat; then cold dilute KMnO₄
• D)HBr; then NaNH₂; then H₂,Pt
• E)None of these choices.

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