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5 August, 16:52

Do bromide ions accept or donate an electron in redox reactions? how do you know?

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  1. 5 August, 18:05
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    Bromide ions donates an electron in redox reactions.

    Explanation:

    In these redox reactions, the halide ions like bromide donates a pair of electrons and acts as a reducing agents, but itself gets oxidized to bromine. In this process, the oxidation state of bromide ion is increased from - 1 to 0 oxidation state, that is Br⁻ (-1) to Br₂ (0), thus reduces the compound and oxidizes by itself. Bromide ion is a strong reducing agent, thereby reduces sulfuric acid which changes to sulfur di oxide, but this doesn't happen in the case of chloride and fluoride ions as they are not having that much capacity like bromide and iodide ions.
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