Organic Chemistry (8th Edition)

Published by Pearson
ISBN 10: 0321768418
ISBN 13: 978-0-32176-841-4

Chapter 6 - Alkyl Halides: Nucleophilic Substitution and Elimination - Study Problems - Page 281: 6-49 b

Answer

The reaction rate triples.

Work Step by Step

The given reaction is $S_N1$ reaction. It is of the first order overall. It is first order with respect to the substrate and zero order with respect to the nucleophile. Rate = $k[C_4H_9Br]$ So, the reaction rate triples if the concentration of potassium tert-butoxide is tripled and the concentration of ethyl bromide is doubled
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