lab- hydrolysis of an ester: formation of an acid and an alcohol EXPERMIENT: add
ID: 485970 • Letter: L
Question
lab- hydrolysis of an ester: formation of an acid and an alcohol EXPERMIENT: add 3 drops of concentrated H2SO4 to a mixture of 3 drops of ethyl butyrate A: what fruit did you associate with the odor of the starting ester? B: what are the names and structures of the products that formed on hydrolysis of ethyl butyrate? C: which one of the products is responsible for the odor of the liquid on the stirring rod? what is your evidence? D: describe the odor of the liquid on the stirring rod. E: give a source of this odoriferous liquid in everyday life.
Explanation / Answer
ethyl butyrate is used as pineapple flavor.
The pineapple has same ester responsible for its unique flavor.
its hydrolysis will give butanoic acid and ethanol.
The odour on rod will be de to ethanool.
The liquid on rod will smell of slcohol
All alcoholic bevarages like beer, wine will have ethanolic smell. some cough syrup contain small quantity of ethanol
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