Question Detail

CHM 102 IUPAC Nomenclature Objective Question
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Question

If the first substituent is equidistant from both ends, how is the numbering direction decided?
Options
A Give the second substituent the lower number
Correct Answer
B Alphabetize the parent name
C Number from the end with the heavier substituent
D Number based on the longest side chain
Correct Answer

Option A is the correct answer.

Detailed Explanation

When the first locant is a tie, the rule moves to the second substituent to break the tie.

Hint

Look for the next point of difference.

Question Info

Course: CHM 102
Topic: IUPAC Nomenclature
Type: Objective
Difficulty: Not specified
Question 872 of 1999
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