Which of the following reagents would you expect to react with cinnamic acid under the conditions given below?
CH₃CH₂ and catalyst
Br₂(aq) at room temperature
CH₃OH and H₂SO₄ catalyst
A - VCE - SSCE Chemistry - Question 10 - 2009 - Paper 1
Question 10
Which of the following reagents would you expect to react with cinnamic acid under the conditions given below?
CH₃CH₂ and catalyst
Br₂(aq) at room temperature
CH₃... show full transcript
Worked Solution & Example Answer:Which of the following reagents would you expect to react with cinnamic acid under the conditions given below?
CH₃CH₂ and catalyst
Br₂(aq) at room temperature
CH₃OH and H₂SO₄ catalyst
A - VCE - SSCE Chemistry - Question 10 - 2009 - Paper 1
Step 1
CH₃CH₂ and catalyst
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Answer
Cinnamic acid should react with CH₃CH₂ (ethyl) in the presence of a catalyst, typically through an esterification reaction. Hence, the answer is Yes.
Step 2
Br₂(aq) at room temperature
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Answer
Cinnamic acid can undergo electrophilic addition with Br₂(aq) at room temperature due to its double bond. Therefore, the answer is Yes.
Step 3
CH₃OH and H₂SO₄ catalyst
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Answer
The presence of H₂SO₄ as a catalyst suggests that methanol will react with cinnamic acid, leading to the formation of an ester. Thus, the answer is Yes.