WAEC Chemistry 2025 Objective — Question 37

Question 37 of 50 from the West African Examinations Council (WAEC) Chemistry 2025 Objective paper, with the correct answer and a full explanation.

Which of the following alkanols is tertiary?

A. 2-methylpentan-2-olCorrect
B. 2-methylpentan-1-ol
C. pentan-3-ol
D. pentan-2-ol

Explanation

A tertiary alcohol/alkanol has the hydroxyl group (-OH) attached to a carbon atom that is bonded to three other carbon atoms. 2-methylpentan-2-ol is tertiary.

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