Respuesta :
Nitrogen is the central atom in molecules of nitrous oxide (N2O)
Nitrogen (N) interacts with oxygen (O) and with another nitrogen to produce two resonance structures in nitrous oxide (N2O), as depicted below.
N-=N+=O N+-O- N
i. N N+-O-
In this structure, one of the two N atoms and O each have a single covalent bond, and the other two share a triple covalent link. Let's figure out the net formal charge as well as the formal charges of each individual atom.
One nitrogen
V = 5, N = 2, B = 6
Therefore,
qf = 5 – 2 – 6/2 = 0
2 Nitrogen
V = 5, N = 0, B = 8
Therefore,
qf = 5 – 0 – 8/2 = 1
Oxygen
V = 6, N = 6, B = 2
Therefore,
qf = 6 – 6 – 2/2 = -1
Since 0 + 1 - 1 = 0, the net formal charge is 0.
ii. N-=N+=O
Here, a double covalent connection is shared by two nitrogen atoms and one nitrogen atom also has a double covalent link with oxygen. Let's figure out the net formal charge as well as the formal charges of each individual atom.
One nitrogen
V = 5, N = 4, B = 4
Therefore,
qf = 5 – 4 – 4/2 = -1
2 Nitrogen
V = 5, N = 0, B = 8
Therefore,
qf = 5 – 0 – 8/2 = 1
Oxygen
V = 6, N = 4, B = 4
Therefore,
qf = 6 – 4 – 4/2 = 0
It is calculated as follows: -1 + 1 + 0 = 0
Therefore, for both the resonance structure, the formal charge of nitrous oxide is zero. This indicates the stability of both of these structures.
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