Which of the following statements concerning lattice energy is false? MgO has a

ID: 930412 • Letter: W

Question

Which of the following statements concerning lattice energy is false?

MgO has a larger lattice energy than NaF.

The lattice energy for a solid with 2+ and 2– ions should be two times that for a solid with 1+ and 1– ions.

MgO has a larger lattice energy than LiF.

Lattice energy is often defined as the change in energy that occurs when an ionic solid is separated into isolated ions in the gas phase.

All of these are true.

MgO has a larger lattice energy than NaF.

The lattice energy for a solid with 2+ and 2– ions should be two times that for a solid with 1+ and 1– ions.

MgO has a larger lattice energy than LiF.

Lattice energy is often defined as the change in energy that occurs when an ionic solid is separated into isolated ions in the gas phase.

All of these are true.

second one is false

i.e The lattice energy for a solid with 2+ and 2– ions should be two times that for a solid with 1+ and 1– ions

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