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29 March, 18:12

Balance the equation for this reaction in an acidic solution MnO-4 to NO-3+Mn+2

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Answers (2)
  1. 29 March, 18:29
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    Answer

    MnO₄ + 2H⁺ + 3NO₂⁻ →3NO₃⁻ + Mn²⁺ + H₂O

    Explanation

    This is a redox reaction (oxidation-reduction reaction) which involves the transfer of electrons between two species. i. e

    Mn + 6e⁻→Mn²⁺ (reduction)

    3N³⁺ - 6e⁻→3Mn⁵⁺ (oxidation)
  2. 29 March, 18:38
    0
    Answer;

    MnO4 - + H2O + NO2 - = MnO2 (s) + NO3 - + OH-

    Explanation; In the oxidation number change method the underlying principle is that the gain in the oxidation number (number of electrons) in one reactant must be equal to the loss in the oxidation number of the other reactant. The ionic equation will be

    MnO4 - + H2O + NO2 - ⇄ MnO2 (s) + NO3 - + OH-
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