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Class 11 Chemistry Practice Test: Redox Reactions - Oxidation Number
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The oxidation state, or oxidation number, is the hypothetical charge of an atom if all of its bonds to other atoms were fully ionic. It describes the degree of oxidation of an atom in a chemical compound. Conceptually, the oxidation state may be positive, negative or zero.

Class 11 Chemistry Practice Test: Redox Reactions - Oxidation Number
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10 Questions

1. Helium element has an Oxidation state of ____________
2. In NaH, the oxidation state of hydrogen is _______________
3. What is the stock notation of cuprous oxide?
4. In NaH, the oxidation state of hydrogen is _______________
5. Helium element has an Oxidation state of ____________
6. The oxidation number of oxygen in Ozone is 1, -1 and 0.
7. What is the oxidation state of Cr in CrO5?
8. The oxidation number of oxygen in Ozone is 1, -1 and 0.
9. What is the oxidation state of N in NH4NO3 (in order)?
10. What is the stock notation of cuprous oxide?

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