Question 1
A 0.010 M solution of which of the following would have the
highest pH?
◦ NH
3 (
Kb = 6.5
× 10
-5)
◦ (CH
3)
2NH (
Kb = 5.4
× 10
-4)
◦ (CH
3)
3N (
Kb = 1.8
× 10
-5)
◦ CH
3NH
2 (
Kb = 3.7
× 10
-4)
Question 2
What is the structure of white phosphorus?
◦ discrete P
4 molecules
◦ cage system of P
x molecules
◦ discrete P atoms
◦ polymeric chain-like structure