Question
Question: In which of the following processes colloidal sulphur is formed ?...
In which of the following processes colloidal sulphur is formed ?
A
FeCl2 + H2S
B
FeCl3 + H2S
C
H2SO4 + H2S2O8
D
SO2 + Cl2
Answer
FeCl3 + H2S
Explanation
Solution
Colloidal S is formed when H2S is mixed into any oxidising agent