JAMB Chemistry 2020 Objective — Question 13

Question 13 of 40 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2020 Objective paper, with the correct answer and a full explanation.

13. What is the correct IUPAC name of 3,3,4-Trimethylpentane?

A. A. 2,3,3-TrimethylpentaneCorrect
B. B. 2,3,4-Trimethylpentane
C. C. 3,3,2-Trimethylpentane
D. D. 2,2,3-Trimethylpentane

Explanation

Numbering from the end nearest the substituents gives the lowest locants: 2,3,3-Trimethylpentane is the correct IUPAC name (numbering must give the lowest possible set of locants).

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