Which compound forms K2Cr2O7?
Correct answer: C. n-Propyl benzene
- A. Toluene
- B. Ethyl benzene
- C. n-Propyl benzene
- D. All
Explanation
In the presence of K2Cr2O7 (potassium dichromate), only alkyl side chains that are benzylic (next to a benzene ring) or allylic can be oxidized. Among the given options, n-Propyl benzene contains a propyl group attached to a benzene ring, making it capable of forming K2Cr2O7
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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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