Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0321908449
ISBN 13: 978-0-32190-844-5

Chapter 11 - Section 11.5 - Alkenes and Alkynes - Questions and Problems - Page 378: 11.28b

Answer

Methyl group is added at 3rd carbon and double bond is at 1st carbon

Work Step by Step

Methyl group is added at 3rd carbon and double bond is at 1st carbon. It is butyne so it has 4 carbon main chain.
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