Which of the following is the main organic product resulting from the reaction of butanoic acid and pentanol?
(A) H₃C—H₂C—H₂C—C—O—CH₂—CH₂—CH₃
(B) H₃C—H₂C—H₂C—C—O—CH₂—CH₂—CH₂—CH₃
(C) H₃C—H₂C—H₂C—C—O—CH₂—CH₃
(D) H₃C—H₂C—H₂C—C—O—CH₂—CH₂—CH₂—CH₃ - HSC - SSCE Chemistry - Question 10 - 2009 - Paper 1
Question 10
Which of the following is the main organic product resulting from the reaction of butanoic acid and pentanol?
(A) H₃C—H₂C—H₂C—C—O—CH₂—CH₂—CH₃
(B) H₃C—H₂C—H₂C—C—O—C... show full transcript
Worked Solution & Example Answer:Which of the following is the main organic product resulting from the reaction of butanoic acid and pentanol?
(A) H₃C—H₂C—H₂C—C—O—CH₂—CH₂—CH₃
(B) H₃C—H₂C—H₂C—C—O—CH₂—CH₂—CH₂—CH₃
(C) H₃C—H₂C—H₂C—C—O—CH₂—CH₃
(D) H₃C—H₂C—H₂C—C—O—CH₂—CH₂—CH₂—CH₃ - HSC - SSCE Chemistry - Question 10 - 2009 - Paper 1
Step 1
Identify the reactants and type of reaction
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Answer
To determine the main organic product, we need to recognize that butanoic acid and pentanol are involved in an esterification reaction. This reaction occurs when a carboxylic acid reacts with an alcohol, forming an ester and water.
Step 2
Draw the structures of the reactants
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Answer
The structure of butanoic acid is:
O
||
H₃C—CH₂—CH₂—C—OH
And the structure of pentanol is:
H₃C—CH₂—CH₂—CH₂—OH
Step 3
Determine the ester formation
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Answer
When these two react, the hydroxyl group from the acid and a hydrogen from the alcohol will combine to form water, resulting in the formation of an ester. The structure of the ester will include the butanoate and the pentanol part.
Step 4
Identify the correct ester structure
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Answer
Upon analyzing the options provided, the main organic product resulting from this reaction is structure (B):
