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COPPER PENNY REACTS WITH NITRIC ACID (3 of 3)
Copper Atoms Lose 2 Electrons To Form Cu2+ Ions
Oxidation of copper metal by nitric acid produces nitric oxide (NO) gas which is immediately oxidized in air to form brown nitrogen dioxide (NO2) gas. The Cu2+ ions which give a blue color in water.
Copyright:© 1988 Richard Megna - Fundamental Photographs
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