It is said that copper does not react with dilute acids. but why this reaction takes place given below Cu+HNO3=Cu(NO3)2+NO+H2O
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As we know "Nitric acid (HNO3)" is a strong oxidiser.
But still dilute HNO3 cannot oxidise copper, concentrated nitric acid oxidises copper.
In oxidation of copper, nitric acid oxidises copper to form copper nitrate
Cu(NO3)2. Nitric acid then oxidises itself to form Nitrogen monoxide (NO) and water (H2O).
But still dilute HNO3 cannot oxidise copper, concentrated nitric acid oxidises copper.
In oxidation of copper, nitric acid oxidises copper to form copper nitrate
Cu(NO3)2. Nitric acid then oxidises itself to form Nitrogen monoxide (NO) and water (H2O).
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