MHT CET 2022 Chemistry question

Identify correct statement for following reaction 3\ Br_2 + 6\ CO_3^{2-} + 3H_2O \to 5\ Br^{-} + BrO_3^{-} + 6HCO_3^{-}

(A)Bromine is neither reduced nor oxidised
(B)Bromine is oxidised and carbonate is reduced
(C)Bromine is reduced and water is oxidised
(D)Bromine is both reduced and oxidisedCorrect

Answer: (D)

Solution

Oxidation number of Br in is 0. In it is (decrease, so reduction) and in it is (increase, so oxidation). The same species is simultaneously oxidised and

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Question ID VK-095795