Esters

Last updated: 15/02/2020
WJEC A-Level Chemistry Unit 4.5 – Carboxylic acids and their derivates Esters
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  1. What is the definition of esterification?

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  2. What is the definition of hydrolysis?

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  3. What type of reaction is esterification?

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  4. What catalyst is used during an esterification reaction?

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  5. What type of reaction is hydrolysis?

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  6. Describe the rate of a reaction during an esterification reaction.

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  7. How is an ester separated from its reaction mixture?

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  8. What process must be used when separating large esters from a reaction mixture?

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  9. What type of reaction is the hydrolysis of an ester under acidic conditions?

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  10. What type of reaction is the hydrolysis of an ester under alkali conditions?

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  11. What products are formed during the hydrolysis of an ester under acidic conditions?

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  12. What products are formed during the hydrolysis of an ester under alkali conditions?

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  13. What type of product can be produced from the hydrolysis of an ester under alkali conditions?

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  14. What is another name for the hydrolysis of an ester under alkali conditions?

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  15. Name the two products formed from the hydrolysis of ethyl ethanoate under reflux in acidic conditions.

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  16. Name the two products formed from the hydrolysis of methyl propanoate using sodium hydroxide.

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