![]() ![]() The more the number of resonance structures, more stable is the resonance hybrid.ĥ) When atoms of different electronegativities are involved, the structure with a negative charge on the more electronegative atom and positive charge on less electronegative atom is of lower energy and hence contribute more towards the resonance hybrid than the alternate structure in which the charges are reversed.Ħ) Structure having like charges on adjacent atoms are highly unstable and hence contribute little towards the resonance hybrid.ħ) Structures which help to delocalize the positive charge make important contribution towards the resonance hybrid regardless of the fact whether the positive charge is on less or more electroneagtive atom.Ĩ) Resonance structure in which all the atoms have octet of electrons make larger contribution towards the resonance hybrid the resonance hybrid than those structures in which one or more of the atoms do not have octet of electrons.
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