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Question
Which of the following pair(s) is/are functional isomer(s)?
Which of the following pair(s) is/are functional isomer(s)?
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Solution
The correct option is B
Functional isomers have the same molecular formula but different functional groups. The amines are not isomeric as they have different empirical formulae. The pair of amides are isomeric but retain the same functional group. Hence, they don't qualify as "functional isomers". For the same reason, the pair of given esters are not functional isomers as well.
The above clearly have different functional groups. And also, they have the same empirical formula. Hence they are a pair of functional isomers. For the same reason, the following also qualify:
Functional isomers have the same molecular formula but different functional groups. The amines are not isomeric as they have different empirical formulae. The pair of amides are isomeric but retain the same functional group. Hence, they don't qualify as "functional isomers". For the same reason, the pair of given esters are not functional isomers as well.
The above clearly have different functional groups. And also, they have the same empirical formula. Hence they are a pair of functional isomers. For the same reason, the following also qualify:
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