In the Addition of HBr to 1-Butyne,the Nucleophile in the First

question 33

Multiple Choice

In the addition of HBr to 1-butyne,the nucleophile in the first step of the mechanism is

• A)the Csp-H1s bond of 1-butyne.
• B)the C-C triple bond of 1-butyne.
• C)the H atom in HBr.
• D)the Br ion.

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