Given below are some statements regarding hydrogen bonding: A. The energy of a hydrogen bond generally varies between 10 to 100 kJ mol ⁻¹ . B. Intramolecular hydrogen bonding is present in o -nitrophenol. C. The magnitude of hydrogen bonding is maximum in the gaseous state and minimum in the solid state. D. p -Nitrophenol exhibits intramolecular hydrogen bonding. E. Hydrogen bonding is responsible for the higher boil

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Statement A is correct. The energy of a hydrogen bond generally varies between 10 to 100 kJ mol ⁻¹ . Statement B is correct. o -nitrophenol exhibits intramolecular hydrogen bonding due to the proximity of the -OH and -NO₂ groups. Statement C is incorrect. The magnitude of hydrogen bonding is maximum in the solid state and minimum in the gaseous state. Statement D is incorrect. p -nitrophenol exhibits intermolecular hydrogen bonding, not intramolecular, because the -OH and -NO₂ groups are on opposite sides of the be