Question Detail

CHM 102 IUPAC Nomenclature Objective Question
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Question

How is the numbering direction determined for an enyne?
Options
A The double bond always gets the lower number
B The triple bond always gets the lower number
C Give the first site of unsaturation the lower number
Correct Answer
D Number alphabetically based on substituents
Correct Answer

Option C is the correct answer.

Detailed Explanation

Numbering starts from the end closer to either the double or triple bond (the first site of unsaturation).

Hint

Treat both types of multiple bonds equally for locant priority.

Question Info

Course: CHM 102
Topic: IUPAC Nomenclature
Type: Objective
Difficulty: Not specified
Question 886 of 1999
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