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KCET2008ChemistryChemical Bonding and Molecular Structure

The overlapping of orbitals in benzene is of the type

Options

  1. Asp-sp
  2. Bsp2-sp3
  3. Csp ²- sp ²
  4. Dsp ³- sp ³

Correct answer

C. sp ²- sp ²

Step-by-step solution

The molecular orbital picture of benzene shows that in it all the six carbon atoms are sp ² hybridised. Out of these three s p² ² hybrid orbitals of each C atom, two orbitals overlap with sp ² hybrid orbitals of adjacent C atoms to form six C - C single bonds. The remaining sp ² orbital of each C atom overlaps with -orbital of each hydrogen atom to form six C - H single sigma bonds. Each C atom is now left with one unhybridised -orbital perpendicular to the plane of the ring.

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