MCQ
In which of the following, the bond length between carbon and carbon atom is equal
  • A
    $2-$butene
  • Benzene
  • C
    $1-$butene
  • D
    $1-$propyne

Answer

Correct option: B.
Benzene
b
(b) In benzene due to resonance all the carbon-carbon bond lengths are equal $1.39\,\mathop A\limits^o $ which is between $C - C\,(1.54\,{\rm{{\mathop A\limits^o }}})$ and $C = C\,(1.34\,{\rm{{\mathop A\limits^o }}})$

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