Sulphur reacts with hot aqueous potassium hydroxide, KOH to form :

sulphuric acid

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hydroxide

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sulphide

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none of above

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Solution

The correct option is C sulphide
Sulphur reacts with hot aqueous potassium hydroxide, KOH, to form sulphide and thiosulphate species.
$S_{8} (s) + 6 K O H (a q) \to 2 K_{2} S_{3} + K_{2} S_{2} O_{3} + 3 H_{2} O (l)$

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Use the following information to answer the next question.

Potassium hydroxide reacts with sulphuric acid to produce potassium sulphate and water.

Which equation represents the correct word equation for the given reaction?

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