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Question

The value of lattice energy is affected by

A
Size and charge of ions
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B
Mass of ions
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C
Charge of ions only
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D
Size of ions only
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Solution

The correct option is A Size and charge of ions
The energy generated when one mole of crystalline solid is formed by the combination of oppositely charged ions is known as lattice energy.
  • As the magnitude of an ion’s charge increases, the force of interionic attraction increases, and the value of Lattice energy increases.
  • The smaller the ions, the shorter the antinuclear distance and consequently the higher the Lattice energy.

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