Chemistry

Problem

The lattice energies of KF, KCl, KBr and KI follow the order : a.

\text{KF} > \text{KCl} > \text{KBr} > \text{KI}

\text{KI} > \text{KBr} > \text{KCl} > \text{KF}

\text{KF} > \text{KCl} > \text{KI} > \text{KBr}

\text{KI} > \text{KBr} > \text{KF} > \text{KCl}