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14 June, 13:50

What element is oxidized in the following reaction?

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

a. Cu

b. H

c. N

d. O

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Answers (1)
  1. 14 June, 13:56
    0
    Cu since the oxidation number of Cu is changed from 0 to + 2. It means it is oxidized as per loss of two electrons.
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