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Starting with 2-Butene,which of the Following Is the Best Method

Question 192

Multiple Choice

Starting with 2-butene,which of the following is the best method for preparing 2-butyne?


A) HBr; H2/Ni; Zn/H+
B) HBr; Zn/H+; H2/Ni
C) Br2/CCl4; Zn/H+; H2/Ni
D) Br2/CCl4; 2NaNH2
E) HBr; NaNH2

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