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Excess of KI reacts with CuSO4 solution and then Na2S2O3 solution is added to it. Which of the statement is incorrect for this reaction?
  • a)
    Na2S2O3 is oxidized
  • b)
    CuI2 is formed
  • c)
    Cu2I2 is formed
  • d)
    Evolved I2 is reduced
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Excess of KI reacts with CuSO4solution and then Na2S2O3solution is add...
(1) KI + CuSO4 → I2
(2) I2 + Na2S2O3 → NaI + Na2S2O6
(a) Na2S2O3 is oxidized to Na2S2O6
(b) Cu2I2 is formed as CuI2 disproportionate.
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Excess of KI reacts with CuSO4solution and then Na2S2O3solution is added to it. Which of the statement is incorrect for this reaction?a)Na2S2O3is oxidizedb)CuI2is formedc)Cu2I2 is formedd)Evolved I2is reducedCorrect answer is option 'B'. Can you explain this answer? for UGC NET 2025 is part of UGC NET preparation. The Question and answers have been prepared according to the UGC NET exam syllabus. Information about Excess of KI reacts with CuSO4solution and then Na2S2O3solution is added to it. Which of the statement is incorrect for this reaction?a)Na2S2O3is oxidizedb)CuI2is formedc)Cu2I2 is formedd)Evolved I2is reducedCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for UGC NET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Excess of KI reacts with CuSO4solution and then Na2S2O3solution is added to it. Which of the statement is incorrect for this reaction?a)Na2S2O3is oxidizedb)CuI2is formedc)Cu2I2 is formedd)Evolved I2is reducedCorrect answer is option 'B'. Can you explain this answer?.
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