Which of the following is the correct electronic configuration for C 2 -A- -1 s2-2 x2-2 p y2- -152- -2 s2- -2 p y2B- -1 s2- -1 s 2-2 s 2- -2 s 2-2 py 2-2 pz 2C- -152- -1S2-252- -2s2-2 p y1-2 p z1D- -1 s2- -1 s 2-2 s 2- -2 s 2-2 py 2- - 1-2 pz -2 p 1

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Molecular Orbitals of Carbon

Which of the ...

Question

Which of the following is the correct electronic configuration for $C_{2}$ ?

σ_{1 s}^{2} σ_{2 x}^{2} π_{2 p y}^{2} σ *_{1 s}^{2} σ *_{2 s}^{2} π *_{2 p y}^{2}

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σ_{1 s}^{2} σ *_{1 s}^{2} σ_{2 s}^{2} σ *_{2 s}^{2} π_{2 p y}^{2} π *_{2 p z}^{1} σ_{2 p}^{1}

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σ_{1 s}^{2} σ *_{1 s}^{2} σ_{2 s}^{2} σ *_{2 s}^{2} π_{2 p y}^{2} π_{2 p z}^{2}

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σ_{1 s}^{2} σ *_{1 s}^{2} σ_{2 s}^{2} σ *_{2 s}^{2} π_{2 p y}^{1} π_{2 p z}^{1}

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Solution

The correct option is C $σ_{1 s}^{2} σ _{1 s}^{2} σ_{2 s}^{2} σ _{2 s}^{2} π_{2 p y}^{2} π_{2 p z}^{2}$
Total number of electrons in $C_{2}$ is 12
Arranging them in Energy level diagram, MO diagram becomes

So, the configuration is $σ_{1 s}^{2} σ _{1 s}^{2} σ_{2 s}^{2} σ _{2 s}^{2} π_{2 p y}^{2} π_{2 p z}^{2}$ .

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Which of the following is the correct electronic configuration for C2?

The correct option is C σ21sσ∗21sσ22sσ∗22sπ22pyπ22pzTotal number of electrons in C2 is 12 Arranging them in Energy level diagram, MO diagram becomes So, the configuration is σ21sσ∗21sσ22sσ∗22sπ22pyπ22pz.

Which of the following is the correct electronic configuration for $C_{2}$ ?