1) Which of the following statements about molecular orbital (MO’s) is incorrect?

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