Which of the following statements is true of sulphur (IV) oxide?

Chemistry

JAMB 2003

A. It forms tetraoxosulphate (VI) acid with water
B. It is an odourless gas
C. It is an acid anhydride
D. It forms white precipitate with acidified barium chloride

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Correct Answer: Option 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.

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