Ex. 4 List the following molecules in order of increasing dipole moment: H2O, CBr4, H2S, HF, NH3, CO2. Ex. 5 Consider th

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Ex. 4
List the following molecules in order of increasing dipole
moment: H2O, CBr4, H2S, HF,
NH3, CO2.
Ex. 5
Consider the reaction
BF3+NH3→F3B─NH3
Describe the changes in hybridization (if any) of the B and N
atoms as a result of this reaction.
Exercise 6.
Predict the geometry of the following molecules and ion using
the VSEPR model:
CBr4
BCl3
NF3
H2Se
NO2-
Exercise 7.
Describe the geometry around each of the three central atoms in
the CH3COOH molecule. Explain your work.
Exercise 8.
Calculate the bond order of F2+. Explain your
answer.
Exercise 9.
Which of the following species has a longer bond length:
F2 or F2-? Explain your
answer.
Exercise 10.
How many pi bonds are present in CS2? Explain your
answer.
Exercise 11.
Describe the bonding in the hydrogen cyanide molecule, HCN.
Assume that N is sp-hybridized.
Exercise 12.
What is the hybridization of P in PH4+?
Explain your answer.