(a) Consider the second propagation step for peroxide-promoted HBr addition to an alkene (Eq. 5.52b). Calculate the...

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(a) Consider the second propagation step for peroxide-promoted HBr addition to an alkene (Eq. 5.52b). Calculate the ΔH° for this reaction.
R-CH-CH-R 1-01- Br :Br-H R-CH-CH-R + :Br. -- H Br (5.52b)

(b) Calculate the ΔH° for the same step using HCl instead of HBr.

(c) Use your calculation to explain why no peroxide effect is observed for the addition of HCl to an alkene.

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Organic Chemistry

ISBN: 9781936221349

6th Edition

Authors: Marc Loudon, Jim Parise

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