Difficult
Lattice enthalpy for $NaCl$ is $+788 \ kJ \ mol^{-1}$ and $\Delta H_{\text{hyd}}^{\circ} = -784 \ kJ \ mol^{-1}$. The enthalpy of solution of $NaCl$ is:
- A$+572 \ kJ \ mol^{-1}$
- B$+4 \ kJ \ mol^{-1}$
- C$-572 \ kJ \ mol^{-1}$
- D$-4 \ kJ \ mol^{-1}$
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Similar Questions
The radii and charges of six ions are given below:
Ion $J^{+}$ $L^{+}$ $M^{2+}$ $X^{-}$ $Y^{-}$ $Z^{2-}$ Radius $(nm)$ $0.14$ $0.18$ $0.15$ $0.14$ $0.18$ $0.15$
If the ionic compounds $JX$,$LY$,and $MZ$ have the same crystal structure,then the correct order of their lattice energy is:
| Ion | $J^{+}$ | $L^{+}$ | $M^{2+}$ | $X^{-}$ | $Y^{-}$ | $Z^{2-}$ |
| Radius $(nm)$ | $0.14$ | $0.18$ | $0.15$ | $0.14$ | $0.18$ | $0.15$ |
If the ionic compounds $JX$,$LY$,and $MZ$ have the same crystal structure,then the correct order of their lattice energy is:
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