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AP EAMCET2012ChemistryChemical Bonding and Molecular Structure

According to molecular orbital theory, the total number of bonding electron pairs in O ₂ is

Options

  1. A2
  2. B3
  3. C5
  4. D4

Correct answer

C. 5

Step-by-step solution

The molecular orbital electronic configuration of O ₂ is aligned & O ₂ (8+8=16 e⁻ )= 1 s^2, 1 s^2, 2 s^2, ^* 2 s^2, & 2 p_z^2, 2 p_x^2, 2 p_y^2, * 2 p_x^1 * 2 p_y^1 & aligned (Unstarred and represent bonding orbitals.) number of bonding electrons =10 and number of bonding electron pairs =5

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