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NEETChemistryIonic Equilibrium

What condition must be met for a salt to be able to dissolve in a particular solvent?

Options

  1. ASolvation enthalpy must be smaller than the lattice enthalpy.
  2. BSolvation enthalpy must be equal to the lattice enthalpy.
  3. CSolvation enthalpy must be greater than the lattice enthalpy.
  4. DSolvation enthalpy must be independent of the solvent.

Correct answer

C. Solvation enthalpy must be greater than the lattice enthalpy.

Step-by-step solution

For a salt to be able to dissolve in a particular solvent, its solvation enthalpy must be greater than its lattice enthalpy, so that the solvation forces can overcome the lattice forces.

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