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Per NCERT §8.6.1(iii), propanal (CH₃CH₂CHO) and propanone (CH₃COCH₃) (both C₃H₆O) are examples of which isomerism?
APosition
BChain only
CFunctional
DOptical
Answer & Solution
Correct answer: C. Functional
NCERT §8.6.1(iii): same formula but different functional groups (aldehyde vs ketone) ⇒ functional isomerism.
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