The p-Block Elements

The p-Block Elements


Give reasons:
Fluoride ion has higher hydration enthalpy than chloride ion.


The size of fluoride ion is small as compared to the chloride ion. Hence, when the two are dissolved in water, the energy of hydration released in the case of fluoride ion will be more than chloride ion due to stronger interactions (ion-dipole) between the ion and the water molecules.

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