All the bond lengths of sulphur – oxygen in sulphate ion, are equal because of

All the bond lengths of sulphur – oxygen in sulphate ion, are equal because of

Q. All the bond lengths of sulphur – oxygen in sulphate ion, are equal because of:

  1. resonance
  2. symmetry
  3. high electronegativity of oxygen
  4. None of these

Answer: resonance

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