Chem4 june 2012

Created by: jatyization
Created on: 20-02-15 17:26

Name the type of reaction between the polyester and the aqueous sodium hydroxide. Explain why the aqueous sodium hydroxide reacted with the polyester.

Hydrolysis; δ+ C in polyester; reacts with OH-

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Give two industrial advantages of using ethanoic anhydride rather than enthanoyl chloride.

Less corrosive; Less vulnerable to hydrolysis; Less dangerous to use; Less violent due to less exothermic reaction; Does not produce toxic fumes; Less volatile

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How is a ketone separated from an alcohol using chromatography?

Ketone is less polar; So has less affinity for stationary phase

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Other cards in this set

Card 2

Front

Give two industrial advantages of using ethanoic anhydride rather than enthanoyl chloride.

Back

Less corrosive; Less vulnerable to hydrolysis; Less dangerous to use; Less violent due to less exothermic reaction; Does not produce toxic fumes; Less volatile