The oxidation number of N in the compound, NH₃ is -3
What is oxideation number?
This is a number assigned to an element in a chemical combination which indicates the number of electron(s) lost or gained.
How to determine the oxidation number of N in NH₃
- Oxidation number of H = +1
- Oxidation number of NH₃ = 0
- Oxidation number of N =?
NH₃ = 0
N + 3H = 0
N + (3×1) = 0
N + 3 = 0
Collect like terms
N = 0 - 3
N = -3
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