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Per NCERT §8.6.1(i), n-pentane and 2,2-dimethylpropane (neopentane) are examples of which kind of isomerism?
AChain
BFunctional
CPosition
DMetamerism
Answer & Solution
Correct answer: A. Chain
NCERT §8.6.1(i): same formula C₅H₁₂ but different carbon skeleton ⇒ chain isomers.
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