1
Q
Outline how Iron can be used as both, a homogeneous and heterogeneous catalyst.
A
As a Heterogeneous catalyst:
- Haber Process: N2 + 3H2 -> 2NH3
- The catalyst works by adsorption onto the surface
As a Homogenous catalyst:
- Fe3+ and Fe2+
- EQN: S2O82-+ 2I- -> 2SO42- + I2
- How catalysts work: Fe3+ + I- -> Fe2+ + 1/2I2
A Level Chemistry
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