In the following reaction, is the nitrogen reduced or oxidized? 2Cu2O + 2NO 4CuO + N2

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09-05-2018
Chemistry

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In the following reaction, is the nitrogen reduced or oxidized? 2Cu2O + 2NO 4CuO + N2

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Ishankahps Ishankahps · Answer 1 · 2018-05-19T04:34:02+02:00

Nitrogen has reduced.

In the reaction, Cu₂O goes to CuO.
Oxidation state in
Cu₂O = +1 CuO = +2
2a + (-2) x 1 = 0 a + (-2) x 1 = 0
2a = +2 a = +2
a = 1
Hence, Cu has oxidized.

NO goes to N₂ by reducing its oxidation state from +2 to 0.
Oxidation state in
NO = +2
a + (-2) x 1 = 0
a = +2

luflames74 luflames74 · Answer 2 · 2018-07-26T01:20:53+02:00

luflames74 luflames74

26-07-2018

In the following reaction, the nitrogen is reduced.
2Cu2O + 2NO → 4CuO + N2

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