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Q.

What is the lattice enthalpy for the formation of ${MgCl}_{2}$ ?

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a

$- 15 kJ$

b

$+ 40 kJ$

c

$- 20 kJ$

d

$- 40 kJ$

answer is A.

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Detailed Solution

The change in enthalpy associated with the formation of one mole of an ionic compound from its gaseous state and standard conditions.

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