Chemical Bonding and Molecular Structure · JEE Preparation Chemistry

Which of the following species has the highest bond order?

Practice question from Chemical Bonding and Molecular Structure (JEE Preparation Chemistry), with the correct answer and a step-by-step solution.

medium · MCQ · Q-7CCCAA

Which of the following species has the highest bond order?

  1. A.O2-
  2. B.O2
  3. C.O2+Correct answer
  4. D.O22-

Solution

Total electrons in O2−O_2^- = 17, Bond order = 1.5. Total electrons in O2O_2 = 16, Bond order = 2.0. Total electrons in O2+O_2^+ = 15, Bond order = 2.5. Total electrons in O22−O_2^{2-} = 18, Bond order = 1.0. Hence, O2+O_2^+ has the highest bond order.

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