Which pair of compounds represents functional group isomers?
Answer and explanation
Correct answer: C. Ethanol and dimethyl ether
- Step 1: Ethanol () and dimethyl ether () share the identical molecular formula . Step 2. Ethanol is an alcohol (-OH) while dimethyl ether is an ether (-O-), making them functional isomers. Answer: Ethanol and dimethyl ether. Why not the others: 1-propanol/2-propanol are positional isomers; butane/isobutane are chain isomers.
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