Asked in KMU Centralized Admission Test 2021 2021Moderate

Which of the following compounds is more Reactive?

Correct answer: A. Benzene

  • A. Benzene
  • B. 1,3 -Dinitrobenzene
  • C. Nitrobutene
  • D. 1,3,5 trinitrobenzene

Explanation

Benzene is reactive because of its delocalized pi electron system. This system of alternating double bonds makes benzene more stable than expected based on its structure. However, it can still undergo reactions such as electrophilic aromatic substitution due to the presence of the electron-rich aromatic ring. These reactions allow benzene to participate in various chemical transformations.

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About Benzene and Aromatic Compounds

Benzene has a planar ring of delocalised π electrons, giving aromatic stability and equal carbon-carbon bond lengths. The topic covers resonance, electrophilic substitution reactions such as nitration, halogenation, sulphonation and Friedel-Crafts reactions, along with substituent effects and the distinction between substitution in benzene and addition in ordinary alkenes.

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