How does a heterogenous catalyst work? (3 marks)
Reactants are adsorbed onto the surface of the catalyst (1). Bonds forms between the atoms and molecules on the surface (2), and the products desorb (3).
YP
Related Chemistry A Level answers
All answers ▸Describe two different test tube reactions to identify the following organic compounds: propanal and benzoic acid.
Explain the unusually high boiling point of HF
You have 3.51g of hydrated zinc sulphate. You heat up the zinc sulphate until all the water has evaporated from it. The weight after heating is 1.97g. Find how many H2O molecules per zinc sulphate molecule there are in the hydrated form of it.
Explain the bonding in and the shape of a benzene molecule.