The intramolecular delocalisation of \( \pi \) and/non-bonding elec...

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The intramolecular delocalisation of \( \pi \) and/non-bonding electrons without any change in the position of atoms is called resonance. Delocalisation may occur in conjugated system involving carbon atom and atom other than the carbon. Delocalisation makes system stable. More is the number of resonating structures, more is the stability of the system. A conjugated structure is least stable when a higher electronegative atom has positive charge and when identical charges are present on adjacent atoms.
- Delocalization of electrons increases molecular stability because:
(A) Potential energy of the molecule decreases
(B) Electron-nuclei attraction decreases
(C) Both (A) and (B)
(D) Electron-electron repulsion increases
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