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Q: How do you find oxidation number of Cu in CuO?
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Is Cu oxidized or reduced in CuO plus H2 yields Cu plus H2O?

Cu is oxidized. The oxidation number goes from 0 in Cu to +2 in CuSO4. S is reduced. The oxidation number goes from +6 in H2SO4 to +4 in SO2. The oxidizing agent is H2SO4 since it causes Cu to be oxidized. The reducing agent is Cu since it causes S in H2SO4 to be reduced.


The reaction CuO plus CO yields Co2 plus Cu is an example of oxidation or reduction or both or neither?

Both oxidation and reduction


What is the oxidation number in Cu2S?

Cu = +1


What is the oxidation number of Cu as a product?

The oxidation of any element, by itself, is zero.


What is the symbol of the cation for CuO?

Cu


How would you get copper from copper oxide?

you obtain Cu from CuO only by reducing with hydrogen or carbon monooxide: CuO + H2 → Cu + H2O


What do you get from Fe plus CuO?

2 Fe + 3 CuO -> Fe2O3 + 3 Cu


What does the oxidation number of an element tell you?

The oxidation number tells you the "combining power" of that element. For example, if Cu has a 1+ oxidation number then it will combine with Cl in a 1:1 ratio, and result in CuCl. If Cu has an oxidation number of 2+, then it will combine with Cl in a 1:2 ratio, and result in CuCl2.


What is the oxidation number of CuF2?

Cu is +2 and F is -1


What compounds does the selenium atom have the most positive partial charge?

In CuO the oxidation state of Cu is +2 and is called cupric oxide, or copper-II oxide (do NOT pronounce as dioxide).In Cu2O the oxidation state of Cu is +1 and is called cuprous oxide, or copper I oxide or di-copper oxide.


What are the oxidation numbers of copper CuCl?

Oxidation number is the charge per atom in a compound. Cl2= 2- (Cl= 1-) Cu would have to be 2+ to balance the compound, because there is only one copper atom.


What is oxidation number of Cu?

If the question is Cu2, then it is equivalent to Cu and the oxidation number for any element is zero. If the question is Cu2+, then the oxidation number is +2.