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 — a) Complete the table below by indicating the colour and physical state at room temperature. | Element | Colour | Physical State | | :-------- | :-------------- | :------------- | | Fluorine | Pale yellow | Gas | | Bromine | Reddish-brown | Liquid | b) One industrial use of chlorine is for the disinfection of water. c) (iv) When concentrated hydroxide is added to the reaction mixture, chlorine disproportionates to form chlorate and chloride ions, especially under hot and concentrated conditions. Step 1: Write the unbalanced half-reactions. Oxidation: $Cl_2 ClO_3^