Which of the following statements is true of sulphur (IV) oxide?
- It forms tetraoxosulphate (VI) acid with water
- It is an odourless gas
-
It is an acid hydride
- It forms white precipitate with acidified barium chloride
The correct answer is: C
Explanation
Sulphur(iv) oxide(
SO\(_2\)) is an acid anhydride, meaning it's a non-metal oxide that reacts with water to form an acidic solution. It's also known as sulphurous anhydride. sulphur dioxide (SO\(_2\)) is an acid anhydride, meaning it's a non-metal oxide that reacts with water to form an acidic solution.