The number of isomers for the aromatic compound of the formula C7H8O is:
Correct answer: C. 4
- A. 2
- B. 3
- C. 4
- D. 5
Explanation
The molecular formula C7H8O corresponds to toluene derivatives with a-OH group (methylphenols) or benzaldehyde. There are three possible methylphenols (-ortho, -meta, -para) and one benzyl alcohol or benzaldehyde, giving a total of 4 isomers. Hance number of aromatic isomers is 4.
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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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