Lattice energy of an ionic compound depends upon

  • Option 1)

    charge on the ion only

  • Option 2)

    size of the ion only

  • Option 3)

    packing of the ion only

  • Option 4)

    charge and size of the ion

 

Answers (1)

As we learnt in

Ionic Radii -

The ionic radius is the distance between the nucleus of an ion and the point where the nucleus exerts its influence on the electron cloud.

r_{cation}+r_{anoin}=r_{ionic \:\:radii}

 

 

Energy released while forming a lattice is directly proportional to the charges of the ions and inversely proportional to the distance between them.


Option 1)

charge on the ion only

This option is incorrect.

Option 2)

size of the ion only

This option is incorrect.

Option 3)

packing of the ion only

This option is incorrect.

Option 4)

charge and size of the ion

This option is correct.

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