The Haber process is used to manufacture ammonia from nitrogen and hydrogen. Which row in the table shows the typical conditions of temperature, pressure, and catalyst used in this industrial process?
| Temperature | Pressure | Catalyst | |
|---|---|---|---|
| A | 200 ∘C200\text{ }^\circ\text{C}200 ∘C | 450 atm450\text{ atm}450 atm | Nickel |
| B | 450 ∘C450\text{ }^\circ\text{C}450 ∘C | 200 atm200\text{ atm}200 atm | Iron |
| C | 450 ∘C450\text{ }^\circ\text{C}450 ∘C | 200 atm200\text{ atm}200 atm | Platinum |
| D | 200 ∘C200\text{ }^\circ\text{C}200 ∘C | 200 atm200\text{ atm}200 atm | Iron |
A
B
C
D
38 exam-style questions on Edexcel GCSE Chemistry 5.2 Reversible reactions and equilibria, covering 5.2.1 Reversible reactions and dynamic equilibrium, 5.2.2 The Haber process, and 5.2.3 Changing the position of a dynamic equilibrium. Each one has a worked solution and a mark scheme showing where the marks go.