MCQ
The electronic configuration of $Be_2$ molecule according MOT is ______.
  • A
    $\left(\sigma 1 s^2\right)\left(\sigma^* 1 s\right)^1, \sigma 2 s^2, \sigma^* 2 s^2$
  • $(\sigma 1 s)^2\left(\sigma^* 1 s\right)^2, \sigma 2 s^2, \sigma^* 2 s^2$
  • C
    $\left(\sigma 1 s^2\right)\left(\sigma^* 1 s\right)^2, \sigma 2 s^2, \sigma^* 2 s^0$
  • D
    $\left(\sigma 1 s^2\right)\left(\sigma^* 1 s\right)^2, \sigma 2 s^1, \sigma^* 2 s^2$

Answer

Correct option: B.
$(\sigma 1 s)^2\left(\sigma^* 1 s\right)^2, \sigma 2 s^2, \sigma^* 2 s^2$
B. $(\sigma 1 s)^2\left(\sigma^* 1 s\right)^2, \sigma 2 s^2, \sigma^* 2 s^2$

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