This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
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You're on a roll — 5. (a) (i) Two allotropes of sulphur are: • Rhombic sulphur • Monoclinic sulphur (ii) When hydrogen sulphide is bubbled through acidified potassium tetraoxomanganate (VII) solution: Observation: The purple colour of the potassium tetraoxomanganate (VII) solution disappears (decolorizes), and a yellow precipitate (of sulphur) is formed. Explanation: Hydrogen sulphide (H_2S) is a reducing agent and reduces the purple MnO_4^- ions to colorless Mn^2+ ions, while itself being oxidized to elemental sulphur. (iii) The