1. Tardigrade
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  3. Chemistry
  4. Which of the following diatomic molecular species has only π bonds according to Molecular Orbital Theory ?

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Q. Which of the following diatomic molecular species has only $\pi$ bonds according to Molecular Orbital Theory ?

NEETNEET 2019Chemical Bonding and Molecular Structure

Solution:

MO configuration $C_2$ is :
$ \sigma 1s^2, \sigma^{\ast} 1s^2 , \sigma 2s^2 , \sigma^{\ast} 2s^2 , \pi 2 p^2_x = \pi 2p^2_y$