Base the whole section on this resource

RSC Problem 7 - Iodination inquiry break this down into teachable sections

http://www.rsc.org/learn-chemistry/resource/res00000939/problem-based-practical-activities#!cmpid=CMP00001329

A teacher asks a student to design a clock reaction to determine which is the rate determining step in the iodination of propanone. (will either have to link to rate deterining step page or use a light box definition)