Find the half reactions for this redox?

👨🏻‍🏫 學術台化學

[匿名]

2017-10-30 12:30 am

Cu + 4HNO3 = Cu(NO3)2 + 2NO2 + 2H2O

I think the oxidation would be
Cu = Cu(+2) + 2e-

But I'm not sure what the reduction would be?

回答 (1)

不用客氣

2017-10-30 12:37 am

Oxidation half-equation: Cu(s) → Cu²⁺(aq) + 2e⁻
Reduction half-equation: NO₃⁻(aq) + 2H⁺(aq) + e⁻ → NO₂(g) + H₂O(l)

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