WAEC Chemistry 2015 Objective — Question 43
Question 43 of 50 from the West African Examinations Council (WAEC) Chemistry 2015 Objective paper, with the correct answer and a full explanation.
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Which of the following compounds is a secondary alkanol?
- A. Ethanol
- B. 2-methylbutan-2-ol
- C. 3-methylpentan-2-olCorrect
- D. Propan-1-ol
Explanation
3-methylpentan-2-ol has its hydroxyl-bearing carbon attached to two alkyl groups, making it a secondary alkanol; ethanol and propan-1-ol are primary, and 2-methylbutan-2-ol (three alkyl groups) is tertiary.
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