What is a test for iron(III) compounds?

Using thiocyanate ions to give a red complex. During the session I will go through the reaction mechanism and evaluation of soluble / insoluble products.

AS

Related Chemistry A Level answers

All answers ▸

Define relative atomic mass.


a) How can an element be classified as a transition metal, considering only electronic arrangement? (1 mark) b) In terms of electrons, why is aqueous copper(II) sulphate solution red? (3 marks) c) EDTA is a bidentate ligand. What is a bidentate ligand?(2)


Why does reacting a bromoalkane with ammonia result in a quaternary ammonium salt and not an amine?


Explain the effect of increasing concentraion of O2 on the equilibrium position of this gas phase reaction and what you might see given that Nitrogen Oxide and Nitrogen Dioxide appear colourless and brown respectively. NO + 0.5O2 ----> NO2