Acyl chlorides and esters Quiz
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5 questions, one answer each
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1. Which functional group is present in ethanoyl chloride?
- A. –COOH
- B. –COO–
- C. –COCl
- D. –CONH₂
2. What is formed when ethanoyl chloride reacts with ethanol?
- A. Ethyl ethanoate and HCl
- B. Ethanoic acid and ethane
- C. Ethanamide and water
- D. Sodium ethanoate and ethanol
3. Which statement about alkaline ester hydrolysis is correct?
- A. It is reversible
- B. It produces the carboxylic acid directly
- C. It gives the carboxylate salt and goes to completion
- D. It needs concentrated sulfuric acid
4. What are the products of heating methyl propanoate under reflux with dilute sulfuric acid?
- A. Methanoic acid and propan-1-ol
- B. Sodium propanoate and methanol
- C. Propanamide and water
- D. Propanoic acid and methanol
5. Why is ammonia used in excess with ethanoyl chloride?
- A. To act as a catalyst
- B. One molecule reacts and a second removes the HCl as NH₄Cl
- C. To reduce the carbonyl group
- D. To prevent the reaction being vigorous