In the following reaction chlorine is oxidised, use oxidation numbers to show what is reduced. You should also explain which rules you have used to determine your answer. HCl(aq) + MnO2(s) –> Cl2(g) +MnCl2(aq) + […]
What is the oxidation state of the Vanadium in the following, and what rules did you use to decide upon the oxidation state? V2O5 VO2+ V(H2O)63+ VO2+
A student set out to make some copper (II) oxide from copper (II) sulphate. He took 20.0 cm3 of 0.400 mol dm3 dm-3 copper (II) sulphate solution, added an excess of sodium hydroxide to give […]
The mark scheme for today’s lesson can be found here
Amazingly one of the most amazing compounds on our planet is also one of the most common, water! Found naturally in all three states on this planet it is in fact an oddity. Looking at […]
There is no excerpt because this is a protected post.
As promised, here is a link to the BBC’s very good revision site which explains how to test for a variety of different gases. Testing Gases I will prepare a better (more fun-filled) post in the […]
OK you lucky people with 2 whole weeks half term holiday, Whilst you are away I would strongly recommend that you use some great online revision sites to help you get the best marks possible […]