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AP EAMCET20227 Jul 2022Morning ShiftChemistryChemical Bonding and Molecular StructureActual

The bond order values of anions of sodium peroxide and potassium super oxide are respectively.

Options

  1. A1,1.5
  2. B1,0.5
  3. C0.5,1
  4. D2,0.5

Correct answer

A. 1,1.5

Step-by-step solution

The peroxide ion in sodium peroxide is O ₂²⁻ has total of 18 electrons. Electronic configuration of O ₂²⁻ is 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^2 ^* 2 p_y^2 Bond order aligned & = 1 2 [ array l No. of bonding - No. of non-bonding orbital electrons orbital electrons array ] & = 1 2 [10-8]=1 aligned The superoxide in potassium superoxide is O ₂⁻ has total of 17 electrons. Electronic configuration of O ₂⁻ is 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^2 ^* 2

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