The isomers of a substance must have:
Correct answer: A. Same molecular mass
- A. Same molecular mass
- B. Same chemical properties
- C. Same structural formula
- D. Same functional group
Explanation
Two or more compounds having the same molecular formula but different physical, chemical properties and structural formula are called isomers. Isomers only show the same chemical properties when they have the same functional group. Otherwise, their properties can be different. `The isomers always have the same molecular formula and with the same molecular formula the molecular mass of isomers must be the same.
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About Chemistry of Hydrocarbons
Hydrocarbons are studied through the structures and reactions of alkanes, alkenes, alkynes and aromatic compounds. Coverage includes free radical substitution in alkanes, electrophilic addition to carbon-carbon multiple bonds, benzene substitution, aromatic stability and the difference between addition reactions of alkenes and substitution reactions of benzene.
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