well,
Kp Kc are very important, so is industrial chemistry and acid base and rate of rexn, cos i can guarantee that there will be these topics in atlest two questions in Section II.
there is expected to be a question on organic conversions in section II. probably aromatic, and some reaction mechanisms as usual LEARN THEM!
good luck to us all!
and yes, do everything. best would be if you have make the grade chemistry