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The lattice energy of solid NaCI is 180 ...

The lattice energy of solid `NaCI` is `180 kcal mol^(-1)`. The dissolution of the solid in `H_(2)O` is endothermic to the extent of `1.0 kcal mol^(-1)`. If the hydration energies of `Na^(o+)` and `CI^(Theta)` ions are in the ratio of `6:5` what is the enthalpy of hydration of sodium ion?

A

`-85.6kcal//mol`

B

`-97.5kcal//mol`

C

`82.6kcal//mol`

D

`+100kcal//mol`

Text Solution

Verified by Experts

The correct Answer is:
B
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