Question Detail

CHM 102 IUPAC Nomenclature Objective Question
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Question

In what direction should the parent chain be numbered to locate substituents?
Options
A Alphabetically
B From the end giving the first substituent the lowest number
Correct Answer
C From the end giving the last substituent the lowest number
D Always from left to right
Correct Answer

Option B is the correct answer.

Detailed Explanation

Numbering starts from the end that ensures the first substituent encountered has the smallest possible coordinate.

Hint

The 'lowest locant' rule applies here.

Question Info

Course: CHM 102
Topic: IUPAC Nomenclature
Type: Objective
Difficulty: Not specified
Question 868 of 1999
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