8- Hydrolysis of ethyl benzoate

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9 Terms

1
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What reagent is used to hydrolyse ethyl benzoate?

Sodium hydroxide.

2
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What conditions are used?

Heat under reflux for 30 minutes.

3
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What products form?

Sodium benzoate and ethanol.

4
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What is done after hydrolysis?

Cool the mixture to room temperature and add hydrochloric acid.

5
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What happens when HCl is added?

A precipitate of benzoic acid forms.

6
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How is the benzoic acid separated?

Using suction filtration.

7
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Why is sodium benzoate soluble in water?

It is ionic.

8
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Why is benzoic acid insoluble in water?

Although the COOH group is polar and can hydrogen bond, the benzene ring is non-polar.

9
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What determines solubility in water for an organic compound?

Whether the polar or non-polar part has the greater influence.