2. Predict the products of the following oxidation-reduction reactions, but do not balance: (a) Solutions of potassium dichromate and sodium sulfite are mixed. (b) Carbon monoxide is bubbled into an acidified solution of potassium permanganate. (c) A basic solution of potassium permanganate is mixed with a solution of tin (II) nitrate. (d) Concentrated nitric acid is added to a solution of sodium bromide. (e) Aluminum metal is added to a solution of hydrogen peroxide.

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