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27-02-2024
Chemistry

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Excess of KI reacts with CuSO4 solution, and then Na2S2O3 solution is added to it. Which of the statements is incorrect for this reaction?
A. Cu2+ is reduced to Cu+
B. Iodine is reduced to iodide ions
C. Cu2+ is oxidized to Cu3+
D. Thiosulfate ions are oxidized to tetrathionate ions

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