JAMB Mathematics 2022 Objective — Question 1

Question 1 of 41 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2022 Objective paper, with the correct answer and a full explanation.

The IUPAC name of CH₂BrCHClCH₂CH₂Br is

A. 1,2-dibromo-2-chloropentane
B. 1,1-dibromo-2,4-chloropentane
C. 1,1-dibromo-2-chloropentane
D. 1,5-dibromo-2-chloropentaneCorrect

Explanation

Parent chain = pentane. Substituents: Br at C1, Cl at C2, Br at C5. Counting from the end closer to substituents: 1,5-dibromo-2-chloropentane.

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