What is the number of unpaired electron(s) in the highest occupied molecular orbital of the following species: N 2 ; N 2 + ; O 2 ; O 2 + ? [2023]

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Q.
What is the number of unpaired electron(s) in the highest occupied molecular orbital of the following species:

$N_{2};$ $N_{2}^{+};$ $O_{2};$ $O_{2}^{+}$ [2023]

1 0, 1, 2, 1

2 2, 1, 2, 1

3 0, 1, 0, 1

4 2, 1, 0, 1

Ans.
(1)

Species Number of Unpaired Electrons

$(N_{2}) :$ ${(σ 1 s)}^{2} {(σ^{} 1 s)}^{2} {(σ 2 s)}^{2} {(σ^{} 2 s)}^{2} (π 2 p_{x}^{2} = π 2 p_{y}^{2}) {(σ 2 p_{z})}^{2}$ 0

$(N_{2}^{+}) :$ ${(σ 1 s)}^{2} {(σ^{} 1 s)}^{2} {(σ 2 s)}^{2} {(σ^{} 2 s)}^{2} (π 2 p_{x}^{2} = π 2 p_{y}^{2}) {(σ 2 p_{z})}^{1}$ 1

${(O}_{2}):$ ${(σ 1 s)}^{2} {(σ^{} 1 s)}^{2} {(σ 2 s)}^{2} {(σ^{} 2 s)}^{2} {(σ 2 p_{z})}^{2} (π 2 p_{x}^{2} = π 2 p_{y}^{2}) (π^{} 2 p_{x}^{1} = π^{} 2 p_{y}^{1})$ 2

${(O}_{2}^{+}):$ ${(σ 1 s)}^{2} {(σ^{} 1 s)}^{2} {(σ 2 s)}^{2} {(σ^{} 2 s)}^{2} {(σ 2 p_{z})}^{2} (π 2 p_{x}^{2} = π 2 p_{y}^{2}) (π^{} 2 p_{x}^{1} = π^{} 2 p_{y}^{0})$ 1

Species	Number of Unpaired Electrons
$(N_{2}) :$ ${(σ 1 s)}^{2} {(σ^{} 1 s)}^{2} {(σ 2 s)}^{2} {(σ^{} 2 s)}^{2} (π 2 p_{x}^{2} = π 2 p_{y}^{2}) {(σ 2 p_{z})}^{2}$	0
$(N_{2}^{+}) :$ ${(σ 1 s)}^{2} {(σ^{} 1 s)}^{2} {(σ 2 s)}^{2} {(σ^{} 2 s)}^{2} (π 2 p_{x}^{2} = π 2 p_{y}^{2}) {(σ 2 p_{z})}^{1}$	1
${(O}_{2}):$ ${(σ 1 s)}^{2} {(σ^{} 1 s)}^{2} {(σ 2 s)}^{2} {(σ^{} 2 s)}^{2} {(σ 2 p_{z})}^{2} (π 2 p_{x}^{2} = π 2 p_{y}^{2}) (π^{} 2 p_{x}^{1} = π^{} 2 p_{y}^{1})$	2
${(O}_{2}^{+}):$ ${(σ 1 s)}^{2} {(σ^{} 1 s)}^{2} {(σ 2 s)}^{2} {(σ^{} 2 s)}^{2} {(σ 2 p_{z})}^{2} (π 2 p_{x}^{2} = π 2 p_{y}^{2}) (π^{} 2 p_{x}^{1} = π^{} 2 p_{y}^{0})$	1

Solution

Q.
What is the number of unpaired electron(s) in the highest occupied molecular orbital of the following species:

$N_{2};$ $N_{2}^{+};$ $O_{2};$ $O_{2}^{+}$ [2023]

1 0, 1, 2, 1

2 2, 1, 2, 1

3 0, 1, 0, 1

4 2, 1, 0, 1

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Solution

Q. What is the number of unpaired electron(s) in the highest occupied molecular orbital of the following species: N2; N2+; O2; O2+ [2023]

1 0, 1, 2, 1

2 2, 1, 2, 1

3 0, 1, 0, 1

4 2, 1, 0, 1

Want Us to Email you About Special Offers & Updates?

Q.
What is the number of unpaired electron(s) in the highest occupied molecular orbital of the following species:

$N_{2};$ $N_{2}^{+};$ $O_{2};$ $O_{2}^{+}$ [2023]