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 ▸The reversible reaction of sulfur dioxide and oxygen to form sulfur trioxide is shown below. 2SO2(g) + O2(g) 2SO3(g) An equilibrium mixture contains 2.4mol SO2, 1.2mol O2 and 0.4mol SO3. The total pressure is 250atm. What is the p(SO3)?
Why is the Mg2+ ion smaller in radius than the Na+ ion?
What is the trend in atomic radius of the elements across Period 3 and why does this occur?
How would you work out the mols of a substance?