5- The highest energy molecular orbital in O2 is 1- sigma 2 Pz 2- 2 Px 3- sigma 1s 4-2Px

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Covalent Bond vs Ionic Bond

5. The highes...

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5. The highest energy molecular orbital in O2 is 1) sigma 2 Pz 2)π 2 Px 3) sigma 1s 4)π*2Px

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σ (1 s) < σ^{*} (1 s) < σ (2 s) < σ^{*} (2 s) < [π (2 p_{y}) π (2 p_{z})] < σ (2 p_{x}) < [π^{*} (2 p_{y}) π^{*} (2 p_{z})] < σ^{*} (2 p_{x})

Question 18

Which of the following order of energies of mlecular orbitals of $N_{2}$ is correct?

(a) $(π 2 p_{y}) < (σ 2 p_{z}) < (π^{*} 2 p_{x}) \approx (π^{*} 2 p_{y})$

(b) $(π 2 p_{y}) > (σ 2 p_{z}) > (π^{*} 2 p_{x}) \approx (π^{*} 2 p_{y})$

(d) $(π 2 p_{y}) > (σ 2 p_{z}) < (π^{*} 2 p_{x}) \approx (π^{*} 2 p_{y})$

O_{2}

O_{2}^{-}

Which of the following represent the correct electronic configuration of $O_{2}$ ?

σ_{2 S}

L i_{2}

σ^{*} 1 s, σ^{*} 2 s, σ 1 s, π 2 p_{y}, π^{*} 2 p_{x}, π^{*} 2 p_{z}, π 2 p_{z}

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