Two isomeric forms of a saturated hydrocarbon:
Correct answer: C. have the same molecular formula
- A. have the same structure.
- B. have different compositions of elements.
- C. have the same molecular formula
- D. have a different content of the isotopes of hydrogen.
Explanation
Two isomeric forms of a saturated hydrocarbon have the same moleculer formula. Example:n-butane(C4H10) and iso-butane(C4H10) are structural isomers with same moleculer formula but different structural formula.
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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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