The isomers of pentane have molecular formula
AC₄H₁₀
BC₅H₁₂CORRECT
CC₅H₁₀
DC₆H₁₄
JAMB UTMEChemistry
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Why the answer is B, and why the others tempt you.
Pentane: alkane with 5 carbons → C₅H₂(5)₊₂ = C₅H₁₂. Isomers: n-pentane, isopentane, neopentane.
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