Chemistry. Hello help

Based on the rules of stability of resonance structure: The resonance structure (I) in which all atoms have complete valence shells and the least number of formal charges is the most stable. The structure (III) with a negative charge on the more electronegative atom and a positive charge on the less electronegative atom will be more stable and structure (II) is least stable.
Answer will be (I)>(III)>(II).


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