not17864 not17864

15-04-2019
Chemistry

contestada

(10 Points)What element is oxidized in the following reaction?

HNO3 + Cu yields Cu(NO3)2 + NO2 + H2O

N
O
Cu
H

Respuesta :

manselandy manselandy

15-04-2019

Answer:

Cu

Explanation:

HNO₃ is a strong oxidizing agent. It oxidizes the copper metal to copper ions while it is reduced to NO₂ and water.

The oxidation number of copper increases from 0 to +2

Therefore it is a redox reaction.

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