What is the fractional bond order of the bond in the sulphate ion ()? — Chemical Bonding Chemistry Question
Question
What is the fractional bond order of the $S-O$ bond in the sulphate ion ($SO_4^{2-}$)?
Answer: B
💡 Solution & Explanation
Bond Order in a resonating molecule = (Total number of bonds between bonded atoms in all resonating structures) / (Number of resonating structures). For $SO_4^{2-}$, there are 6 bonds distributed equally among 4 oxygen atoms. $B.O. = \frac{6}{4} = 1.5$.
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