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Question 600313
JEE Chemistry · Hard

Chemical Bonding: Resonance MCQ

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ResonanceHardQuestion 600313

Question

In the resonance structures of SO₃, the S−O bond order is:
  1. A
    1
  2. B
    1.5
  3. C
    2
  4. D
    4/3
    Correct

Correct answer

4/3

Explanation

SO₃ has 3 equivalent resonance structures. Each structure has one double bond and two single bonds. Average bond order = (2+1+1)/3 = 4/3.

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