Sorted FAQs on Iodine-propanone investigations
1. What is a clock reaction?
2. Volumes and equations?
3. Equations for reactions?
4. Which concentrations to change?
5. How to work out concentrations?
6. Why iodine in excess? Why NaHCO3 not NaOH?
7. Choice of filter? Titration vs colorimetry?
8. How to process absorption values from colorimetry?
9. Inconsistent colorimter results for iodine/butanone
10. Use iodine solution or KI?
11. Making iodine solution?
12. Titration suitable to investigate acid catalysts?
13. Method for finding activation energy?
14.Making up I2 solution
15.How to measure rate wrt propanone and acid?
Rates and orders
1. Rate from volume vs time graph?
2. How to find order from plots?
3. Rate vs conc plot curved at high concentrations
4. Finding order wrt propanone and acid?
5. Details of mechanism?
6. How to link rate constant to other module topics?
7. Value for activation energy?
updated: 08 August 2008
