TS EAMCET · Chemistry · General Organic Chemistry
Which of the following is a pair of functional isomers?
- A \(\mathrm{CH}_3 \mathrm{COCH}_3, \mathrm{CH}_3 \mathrm{CHO}\)
- B \(\mathrm{C}_2 \mathrm{H}_5 \mathrm{CO}_2 \mathrm{H}, \mathrm{CH}_3 \mathrm{CO}_2 \mathrm{CH}_3\)
- C \(\mathrm{C}_2 \mathrm{H}_5 \mathrm{CO}_2 \mathrm{H}, \mathrm{CHCO}_2 \mathrm{C}_2 \mathrm{H}_5\)
- D \(\mathrm{CH}_3 \mathrm{CO}_2 \mathrm{H}, \mathrm{CH}_3 \mathrm{CHO}\)
Answer & Solution
Correct Answer
(B) \(\mathrm{C}_2 \mathrm{H}_5 \mathrm{CO}_2 \mathrm{H}, \mathrm{CH}_3 \mathrm{CO}_2 \mathrm{CH}_3\)
Step-by-step Solution
Detailed explanation
Carboxylic acid and esters show functional group isomerism. When two compounds have same molecular formula but different functional groups, then functional isomerism arises. e.g., \(\mathrm{C}_2 \mathrm{H}_5 \mathrm{COOH} \text { and } \mathrm{CH}_3 \mathrm{COOCH}_3\)
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