Question

Which of the following is the correct order of lattice energy?

• A. $MgO<LiF<KBr$
• B. $KBr<LiF<MgO$
• C. $LiF<KBr<MgO$.
• D. $LiF=KBr<MgO$

Answer 1

Answer: (B)

$M{g}^{2+}$ and $O^{2-}$ ions have higher charge, and size of $L{i}^{+}$ and $F^{-}$are smaller than $K^{+}$and $B{r}^{-}$.