The compound that is a structural isomer of CH₃CH₂COOH is
A - VCE - SSCE Chemistry - Question 12 - 2003 - Paper 1
Question 12
The compound that is a structural isomer of CH₃CH₂COOH is
A. HCOOCH₃
B. CH₃CH₂CH₂OH
C. CH₃COOCH₃
D. CH₃CHOCH₂OH
Worked Solution & Example Answer:The compound that is a structural isomer of CH₃CH₂COOH is
A - VCE - SSCE Chemistry - Question 12 - 2003 - Paper 1
Step 1
Identify structural isomers
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Answer
Structural isomers are compounds that have the same molecular formula but different structural arrangements of atoms. In this case, we need to identify compounds that have the molecular formula C₃H₆O₂, which is the formula for CH₃CH₂COOH (propanoic acid). We will analyze each option.
Step 2
Evaluate option A: HCOOCH₃
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Answer
The molecular formula for HCOOCH₃ is C₂H₄O₂, which is different from C₃H₆O₂. This is not a structural isomer.
Step 3
Evaluate option B: CH₃CH₂CH₂OH
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Answer
The molecular formula for CH₃CH₂CH₂OH is C₃H₈O, which also does not match C₃H₆O₂. This is not a structural isomer.
Step 4
Evaluate option C: CH₃COOCH₃
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Answer
The molecular formula for CH₃COOCH₃ is C₃H₆O₂, which matches. Therefore, this compound is a structural isomer.
Step 5
Evaluate option D: CH₃CHOCH₂OH
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Answer
The molecular formula for CH₃CHOCH₂OH is C₃H₈O₂, which does not match C₃H₆O₂. This is not a structural isomer.
Step 6
Conclusion
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Answer
Based on the evaluations, the only compound that is a structural isomer of CH₃CH₂COOH is option C: CH₃COOCH₃.
