Lattice Energy and Born-Haber Cycle

The table shown below gives information about four substances : $\mathrm{A}, \mathrm{B}, \mathrm{C} \mathrm{and} \mathrm{D}$

Identify ionic compounds from the above given substances.

 Which among the following compound shows the highest lattice energy? 

$\mathrm{K}\mathrm{ }\left[\mathrm{B}\mathrm{r}\mathrm{I}\mathrm{C}\mathrm{l}\right]\mathrm{ }\stackrel{\mathrm{\Delta }}{\to }\mathrm{ }\left(\mathrm{X}\right)\mathrm{ }+\mathrm{ }\left(\mathrm{Y}\right)$

The standard enthalpies of formation of which halides of group-$\mathrm{I}$ elements (alkali metals) decreases on moving $\mathrm{Li}$ to $\mathrm{Cs}$.

Select incorrect about ionic compound :-

Assertion. Water is especially effective in screening the electrostatic interactions between the dissolved ions.

Reason. The electrostatic forces between two charged ions are inversely proportional to the dielectric constant of the solvent.

For an ionic compound lattice energy depends upon

The highest lattice energy corresponds to

The lattice energies of $\mathrm{NaCl},\mathrm{ }\mathrm{NaF},\mathrm{ }\mathrm{KCl}$ and $\mathrm{RbCl}$ follow the order

Which of the following is insoluble in water?

The dipole moments of diatomic molecules AB and CD are 10.41D and 10.27D. respectively while their bond distances are 2.82 and 2.67 $\mathrm{Å}$ , respectively. This indicates that

Which of the following compounds possesses the C - H bond with the lowest bond dissociation energy?

The lattice energies of the following have the order

Which of the following is least hydrolysed?

$\mathrm{K}\mathrm{ }\left[\mathrm{B}\mathrm{r}\mathrm{I}\mathrm{C}\mathrm{l}\right]\mathrm{ }\stackrel{\mathrm{\Delta }}{\to }\mathrm{ }\left(\mathrm{X}\right)\mathrm{ }+\mathrm{ }\left(\mathrm{Y}\right)$

Which of the following pairs will form the most stable ionic bond?

AB is an ionic solid. The ionic radii of $A^{+}$ and $B^{-}$ are respectively $r_c$and$r_a.$ Lattice energy of AB is proportional to

Lattice energy of a solid increases if