Question 34
Sulphur and its CompoundsSulphur(IV) oxide is a strong reducing agent in the presence of water due to the formation of
- A.hydroxide ion.
- B.sulphur (VI) oxide.
- C.hydrogen sulphide.
- D.trioxosulphate(IV) ion.
Show the answer and explanation
Answer: D (trioxosulphate(IV) ion.)
Explanation
In water SO2 forms trioxosulphate(IV) ions, which are easily oxidised to tetraoxosulphate(VI), giving away electrons.