Aspirin is a compound widely used as a painkiller and to relieve the symptoms of fever - VCE - SSCE Chemistry - Question 6 - 2008 - Paper 1
Question 6
Aspirin is a compound widely used as a painkiller and to relieve the symptoms of fever. It can be produced by means of a reaction in which salicylic acid is one of t... show full transcript
Worked Solution & Example Answer:Aspirin is a compound widely used as a painkiller and to relieve the symptoms of fever - VCE - SSCE Chemistry - Question 6 - 2008 - Paper 1
Step 1
A. Aspirin may be prepared by reaction between salicylic acid and CH3OH.
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Answer
This statement is correct. Aspirin can be synthesized by an esterification reaction where salicylic acid reacts with methanol (CH3OH).
Step 2
B. Aspirin contains both an ester and a carboxylic acid functional group.
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Answer
This statement is also correct. Aspirin contains an ester group from the acetylation of salicylic acid and retains the carboxylic acid group.
Step 3
C. Aspirin can undergo an acid-base reaction with NaHCO3.
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Answer
This statement is correct as aspirin can react with sodium bicarbonate, displaying its acidic properties.
Step 4
D. Aspirin may be prepared by reaction between salicylic acid and CH3COOH.
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Answer
This statement is not correct in the context of the synthesis directly. While acetic acid (CH3COOH) is a component in the synthesis of aspirin, the reaction typically requires acetic anhydride or acetyl chloride for efficiency. Thus, this is the incorrect statement.
