[C12] Sulfur Flashcards
1
Q
In which industrial process is sulfuric acid made?
A
The contact process
2
Q
Sulphur dioxide reacts with oxygen to form _______
A
sulphur trioxide
3
Q
Sulphur burns to form _______
A
Sulphur dioxide
4
Q
Oleum is formed when trioxide dissolves in _________
A
Concentrated sulphuric acid
5
Q
The contact process is an ________ reaction and produces ______ _____ mist
A
Exothermic & Sulphuric acid
6
Q
What are the conditions needed in the contact process? [3]
A
- 2 atmospheric pressures
- 450 degrees
- Vanadium pentoxide V²O⁵
7
Q
Which step in the contact process is reversable ?
A
Sulphur dioxide reacting with oxygen
