Molecular Orbitals
Problems and Solutions
Problem :
Paramagnetic materials, those with unpaired electrons, are attracted by magnetic fields whereas diamagnetic materials, those with no unpaired electrons, are weakly repelled by such fields. By constructing a molecular orbital picture for each of the following molecules, determine whether it is paramagnetic or diamagnetic.
a. B2
b. C2
c. O2
d. NO
e. CO
Problem :
Calculate the bond order for each of the following molecules (Hint: first draw a correlation diagram for each).
a. B2
b. C2
c. O2
d. NO
e. CO
Problem :
Predict the hybridization of the central atom in each of the following molecules.
a. CH4
b. HCCCH
c. IF4
-
d. IF 4
+
e. CH2O
Problem :
Combining what you know about resonance and hybridization, predict the hybridization of each oxygen in the acetate ion--CH3CO2 -.
