CHM 2045C Module Four Sample Exam Name:_____Answers______
Module Four- Part P: Hybrid Orbitals of Molecules 10 points
Use the dot/stick structures in
the table to predict the hybrid orbitals that overlap
to form the covalent bond:
____s-sp3_____1. H2O the sigma bond between either H-O _____sp-sp2___2. CO2
the sigma bond
between either C=O _____p-p______2a. CO2 the pi bond between either C=O ____sp2-sp2____3. C2H4 the sigma bond between the two carbons ____p-p_______3a. C2H4 the pi bond between the two carbons _____sp2-sp2___4. SO2
the sigma bond between S=O _____p-p______4a. SO2
the pi bond between S=O _____sp3-sp2___4b. SO2
the sigma bond between S-O _____ sp3-sp2__
5. SO3 either sigma bond between S-O _____ sp2-sp2__
5a. SO3 the sigma bond between S=O _____ p-p_____ 5b. SO3
the pi bond between S=O ______ s-sp____6. HCN
the single (sigma) bond between H-C ______ sp-sp___6a. HCN
the sigma bond between C=N ______ p-p_____6b. HCN
either pi bond between C=N ______ s-sp3___7. CH4
the sigma bond
between any of the H-C ______ s-sp3___8. NH3
the sigma bond between any of the H-N _____ s-sp2____ 9. CH2O either sigma bond between the H-C _____ sp2-sp2___9a. CH2O the sigma bond between the C=O _____ p-p______9b. CH2O the pi
bond between the C=O ______ sp-sp
__10. C2H2 the sigma bond between the C=C ______ p-p ____10a. C2H2 either
pi bond between the C=C ______ s-sp___ 10b. C2H2 the sigma
bond between any of the H-C __sp3d-sp3________Bonus.
PF5 P-F __sp3d2-sp3_______Bonus SF6 S-F |
.
You draw the structures of the bonus! |
What is difference
between a Sigma (σ) and a pi (π)
bond?