हिंदी

Which of the following is a redox reaction? -

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प्रश्न

Which of the following is a redox reaction?

विकल्प

  • \[\ce{2CuSO4 + 4KI -> Cu2I2 + 2K2SO4 + I2}\]

  • \[\ce{SO2 + H2O -> H2SO3}\]

  • \[\ce{Na2SO4 + BaCl2 -> BaSO4 + 2NaCl}\]

  • \[\ce{CuSO4 + 4NH3 -> [Cu(NH3)4]SO4}\]

MCQ

उत्तर

\[\ce{2CuSO4 + 4KI -> Cu2I2 + 2K2SO4 + I2}\]

Explanation:

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