Chemistry · May / June 2023 · Paper 12 · Question 18

The table refers to two important industrial gaseous reactions. | reaction | reactants | product | catalyst | |---|---|---|---| | 1 | hydrogen + nitrogen | ammonia | nickel | | 2 | oxygen + sulfur dioxide | sulfur trioxide | vanadium(V) oxide | Which catalysts are correctly stated? | | reaction 1 | reaction 2 | |---|---|---| | A | no | no | | B | no | yes | | C | yes | no | | D | yes | yes |

1. Areaction 1: no, reaction 2: no
2. Breaction 1: no, reaction 2: yes
3. Creaction 1: yes, reaction 2: no
4. Dreaction 1: yes, reaction 2: yes

As printed in the paper