Which of the following types of structural isomerism is present in CH3CH2OH and CH3OCH3?
Correct answer: D. Functional group isomerism
- A. Metamerism
- B. Chain isomerism
- C. Tautomerism
- D. Functional group isomerism
Explanation
These two compounds share the same molecular formula (C₂H6O) but have different functional groups. CH3CH₂OH is an alcohol (hydroxyl group), while CH3OCH3 is an ether (ether linkage). This is the definition of functional group isomerism.
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About Fundamental Principles of Organic Chemistry
Organic chemistry begins with carbon compounds classified by carbon skeleton, saturation and functional group. Work includes identifying groups such as hydroxyl, carbonyl, carboxyl and amino, applying basic nomenclature, and distinguishing structural, geometric and optical isomers, where the same molecular formula does not necessarily mean the same structure or properties.
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