Question

WHAT IS LATTICE ENERGY AND GIVE IT EXAMPLES AND ENERGY CHANGE IN FORMATION OF IONIC SUBSTANCE?​

Answer 1

Answer:

It is defined as the heat of formation for

ions of opposite charge in the gas phase to

combine into an ionic solid. As an

example, the lattice energy of sodium

choloride, NaCI, is the energy released when

gaseous Na+ and Cl-ions come together

to form a lattice of alternating ions in the

NaCI crystal.

Answer 2

Answer:

Lattice energy is defined as " The amount of energy required to completely remove the constituent ions from its crystal lattice to an infinite . "It is also referred as lattice enthalpy.

Lattice Energy Examples

When sodium ion (Na+) combines with chloride ion (Cl–), sodium chloride (NaCl) crystal forms, and 787.3 kJ of energy is released. When calcium ion (Ca2+) combines with oxide ion (O2-), calcium oxide (CaO) crystal forms, and 3414 kJ of energy is released.

Explanation:

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