Class 11 Chemistry The S Block Elements Hydration Enthalpy of alkaline earth metal

Hydration Enthalpy of alkaline earth metal

  • The energy released as a result of the formation of new bonds between ions and water molecules is called hydration enthalpy.
  • Hydration enthalpiesof alkaline earth metal ions decrease with the increasing ionic size down the group.

  • Hydration enthalpies of alkaline earthmetal ions are larger than those of alkali metal
  • MgCl2 and CaCl2 exist as hydrates in the form of MgCl2.6H2O and CaCl2 6H2O.

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