Compound T is placed into dilute hydrochloric acid and the mixture is warmed carefully. A gas is produced that changes acidified aqueous potassium manganate(VII) from purple to colourless. When compound T is tested in a flame, a lilac flame is observed. What is compound T?
- Asodium sulfate
- Bsodium sulfite
- Cpotassium sulfate
- Dpotassium sulfite