Rates of Br2 addition were measured for a series of alkynes, giving the data shown
Chapter 9, Problem 9.41(choose chapter or problem)
Rates of Br2 addition were measured for a series of alkynes, giving the data shown. Alkyne Relative rate HC CH 1.0 HC CCH3 13.4 H3CC CCH3 120 CCPCCH3 CH3 CH3 H3C 558 Assuming that Br2 addition to alkynes proceeds through rate-determining formation of a cyclic bromonium ion, what generalizations can you make about the structure of the ratedetermining transition state?
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