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Question 600315
JEE Chemistry · Medium

Chemical Bonding: MOT MCQ

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MOTMediumQuestion 600315

Question

The bond order of O₂ by molecular orbital theory is:
  1. A
    1
  2. B
    2
    Correct
  3. C
    3
  4. D
    0

Correct answer

2

Explanation

O₂ MO configuration: σ1s²σ*1s²σ2s²σ*2s²σ2p²π2p⁴π*2p². Bond order = (bonding − antibonding)/2 = (10−6)/2 = 2. O₂ is paramagnetic (2 unpaired electrons in π*).

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