1) Which of the following statements about molecular orbital (MO’s) is incorrect?
a. 2 atomic orbitals (AO’s) will combine to form 1 MO
b. an antibonding MO is generally higher in energy than a bonding MO
c. a pi MO is generally higher in energy than a sigma MO
d. a sigma bond consists of 2 electrons in a sigma bonding MO
e. a sigma MO is symmetrical about the internuclear axis
2) For this set of acids, which of them has the weakest conjugate base?
a. H2S3O4 with pKa = 0.35
b. H2S2O7 with pKa = 3.1
c. H2S2O3 with pKa = 0.6
d. H2SO3 with pKa = 1.82
3. Between what pair of molecules might you expect a dipole-induced dipole interaction to be important?
a. HBr and ICI
b. I- and I2
c. I2 and I2
d. CI4 and HBr
- Attachment 1
- Attachment 2