Home
Class 12
CHEMISTRY
The lattice energy of KCl is 202 kcal/mo...

The lattice energy of KCl is 202 kcal/mo. When KCl is dissolved in water 2 kcal/mol is absorbed. If the sol energies of `K^(+) and Cl^(-)` are in the ratio 2:3 then `DeltaH_("hydration")` of `K^+` is:

A

`-80kJ//mol`

B

`-120kJ//mol`

C

`-150kJ//mol`

D

`133.3kJ//mol`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Objective Question Level B|56 Videos

  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Objective Question Level B Set II|8 Videos

  • Chemical Thermodynamics and Thermochemistry

    OP TANDON|Exercise Objective Question Level-A|177 Videos

  • CHEMICAL KINETICS

    OP TANDON|Exercise LINKED COMPRESHENSION TYPE QUESTIONS ( SECTION-VI)|4 Videos

  • CLASSIFICATION AND NOMENCLATURE OF ORGANIC COMPOUNDS

    OP TANDON|Exercise INTEGER|2 Videos

Similar Questions

Explore conceptually related problems

The lattice energy of solid KCI is 181 kcal mol^(-1) and the enthalpy of solution of KCI in H_(2)O is 1.0 kcal mol^(-1) . If the hydration enthalpies of K^(o+) and CI^(Theta) ions are in the ratio of 2:1 then the enthalpy of hydration of K^(o+) is -20xK cal mol^(-1) . Find the value of x .

The lattice energy of solid NACl is 180K. Cal mol^(-1) . The dissolution of the solid in water in the form of ions is endothermic to the extent of 1 K.cal mol^(-1) . If the hydration energies of NA^(+) and Cl^(-) are in ratio 6 : 5 , what is the enthalpy of hydration of NA^(+) ion

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?