Uneb uace chemistry paper three 2018
1. You are provided with the following:
FA1, which is approximately a 0.1M sodium thioslphatesolution
FA2, which is a solution containing 2.4g dm-3 of potassium iodate
Solid Y, which is a salt containing dichromate ions
1M sulphuricacid solution
5% potassium iodide solution