In a particular redox reaction, NO is oxidized to NO − 3 and Cu 2 + is reduced to Cu + PLEASE HELP?

2020-04-03 10:11 pm
In a particular redox reaction,  
NO is oxidized to  NO−3 and Cu2+is reduced to  Cu+ . Complete and balance the equation for this reaction in acidic solution. Phases are optional. 

balanced redox reaction:

回答 (1)

2020-04-03 10:29 pm
Oxidation half equation: NO + 2H₂O → NO₃⁻ + 4H⁺ + 3e⁻
Reduction half equation: Cu²⁺ + e⁻ → Cu⁺

(Oxidation half equation) + (Reduction half equation) × 2, and cancel 3e⁻ on each side. The overall balanced equation is:
NO + 3Cu²⁺ + 2H₂O → NO₃⁻ + 3Cu⁺ + 4H⁺


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