WAEC Chemistry 2025 Objective — Question 30
Question 30 of 50 from the West African Examinations Council (WAEC) Chemistry 2025 Objective paper, with the correct answer and a full explanation.
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Which of the following conditions is necessary for the preparation of alkanoates from alkanols and alkanoic acids?
- A. Water and NaOH
- B. Conc. H2SO4 and heatCorrect
- C. NaOH and heat
- D. Water and aqueous HCl
Explanation
Alkanoates (esters) are generally prepared through esterification, which involves the reaction of an alkanol and an alkanoic acid in the presence of concentrated H2SO4 (which serves as a catalyst) and heat.
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