If a compound contains conjugated system, the measured bond lengths differ form the expected bond length but 1, 3 diene contains following resonance structures Increasing order of bond length between carbon and nitrogen is

If a compound contains conjugated system, the measured bond lengths di

1.	If a compound contains conjugated system, the measured bond lengths differ form the expected bond length but 1, 3 diene contains following resonance structures Increasing order of bond length between carbon and nitrogen is
Answer» `II LT III lt I` `I lt II lt III` `III lt II lt I` `II lt I lt III` SOLUTION : DUE to RESONANCE