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Worksheet: Hybridization in Molecular Orbital Theory

Q1:

How many bonds can an atom form using sp3 hybrid orbitals?

Q2:

How many bonds can an atom form using sp3d hybrid orbitals?

Q3:

In the valence bond theory description of methane, which of the following statements is not a valid justification for the use of sp3 hybrid orbitals?

  • AThe C H bonds are exactly equivalent so must be generated by orbitals of equal energy.
  • BThe s orbital of each H atom must overlap with the s orbital of the C atom and at least one p orbital.
  • COverlap of the H s orbitals with the three p orbitals of the C atom would produce bonds at 9 0 to each other.
  • DA C atom could not form four bonds without hybridization, as the energy for promoting a 2s electron to the 2p subshell is too large.
  • EA tetrahedral bonding geometry with zero dipole moment is only possible if electron density is distributed equally between the four bonds.

Q4:

How many bonds can an atom form using sp hybrid orbitals?