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  3. Chemistry
  4. Which of the following have delocalized electron?

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Q. Which of the following have delocalized electron?

Bihar CECEBihar CECE 2005Hydrocarbons

Solution:

Key Idea: Aromatic compounds have delocalized $\pi$ electrons. Out of given choices cyclohexane, $C H_{4}, C_{2} H_{6}$ and benzene, only benzene is aromatic compound. Benzene has 6 delocalized $\pi$ electrons.