Question

sulphur dioxide is a compound give reason

Answer 1

The dioxide is the acid anhydride (a compound that combines with water to form an acid) of sulfurous acid; the trioxide is the acid anhydride of sulfuric acid. Sulfur dioxide is a heavy, colourless, poisonous gas with a pungent, irritating odour familiar as the smell of a just-struck match.

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Answer 2

Answer:

Sulfur dioxide is the acid anhydride.

properties:-

Heavy, colourless, poisonous gas with a pungent, irritating odour familiar as the smell of a just-struck match.