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If lattice energy of solid XY is 700 kca...

If lattice energy of solid XY is 700 kcal/mol then enthalpy of solution of XY(s) will be (Given: Enthalpy of hydrations of `X^+(g)` and `Y^(-)(g)` respectively are -700 kcal/mol and 600 kcal/mol)

A

700 kcal/mol

B

- 700 kcal/mol

C

600 kcal/mol

D

- 600 kcal/mol

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