Q7 / 180 · KCET 2011 · Chemistry

Which one of these is not true for benzene?

  • A
    It forms only one type of monosubstituted product
  • Correct answer
    B
    There are three carbon-carbon single bonds and three carbon-carbon double bonds
  • C
    Heat of hydrogenation of benzene is less than its theoretical value
  • D
    The bond angle between carbon-carbon bonds is $120^{\circ}$

Solution

Benzene does not contain 3 single bonds and 3 double bonds. These are all partially double due to resonance.

Hence, the correct answer is option: 'B'.

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