synthesis and identification Carboxylic Acids and Esters OBSERVATIONS AND RESULT
ID: 1026072 • Letter: S
Question
synthesis and identification Carboxylic Acids and Esters OBSERVATIONS AND RESULTS 1. Synthesis and Identification of an Ester: Esterification a. Give the name and structure of the ester that you synthesized. b. What fruit did you associate with the odor of the ester? c. Look up the ester and its fruit source in your textbook. (If it is not in your textbook, ask your in- structor.) Did you associate the ester with the right fruit? If not, with what fruit is the ester really associated? d. Write an equation for this esterification reaction. he reactants with your ester with respect to pleasantness and intensity. f. Why is the presence of HSO4 necessary for esterification to occur? Copyright © 2013 Pearson Education, Inc.Explanation / Answer
a) Ethyl acetate or Ethyl ethanoate. CH3COOC2H5
b) Pleasent fruty odour. Banana.
d) It will be produced fron acid and alcohol in presence of acid or base
catalyst.
CH3COOH + C2H5OH = CH3COOC2H5 + H2O
e) Aceticacid is pungent odour with bitter in tadte. Ethanol is sweet smell.
f) Presence of acid catalysts can enhance the esterification. The proton ions are activated the carbonyl rster group by coordinating at oxygen lone pair. So the nucleophile alcohol will attach easyly.
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