Which of the following statements is correct | vedclass

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(A) According to Molecular Orbital Theory $(MOT)$,when two oxygen atoms (each with $8$ electrons,$1s^2 2s^2 2p^4$) combine to form $O_2$ ($16$ electro

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$(A)$ $10$ molecular orbitals are formed during the formation of dioxygen from oxygen atoms.

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(A) According to Molecular Orbital Theory $(MOT)$,when two oxygen atoms (each with $8$ electrons,$1s^2 2s^2 2p^4$) combine to form $O_2$ ($16$ electrons),they form $10$ molecular orbitals (MOs) in total.The electronic configuration of $O_2$ is: $\sigma 1s^2, \sigma^* 1s^2, \sigma 2s^2, \sigma^* 2s^2, \sigma 2p_z^2, \pi 2p_x^2 = \pi 2p_y^2, \pi^* 2p_x^1 = \pi^* 2p_y^1, \sigma^* 2p_z^0$.Counting these: $\sigma 1s, \sigma^* 1s, \sigma 2s, \sigma^* 2s, \sigma 2p_z, \pi 2p_x, \pi 2p_y, \pi^* 2p_x, \pi^* 2p_y, \sigma^* 2p_z$ equals $10$ MOs.Therefore,statement $(A)$ is correct.

Which of the following statements is correct regarding the formation of dioxygen $(O_2)$ from oxygen atoms?

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