Which pair of compounds are isomers?
Answer and explanation
Correct answer: D. Butane and 2-methylpropane
- Step 1: Isomers have the same molecular formula but different structures.
- Step 2: Butane and 2-methylpropane are both C₄H₁₀.
Answer
Butane and 2-methylpropane.
Why not the others: Ethane and ethene: these have different formulae. Propane and propene: these have different formulae. Methane and ethane: these have different formulae.
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