Covalent Character of Ionic Bonds — Prelims Questions

Which of the following compounds has the highest covalent character?

Which of the following statements regarding Fajans' Rules is INCORRECT?

Arrange the following compounds in increasing order of their melting points: LiCl, NaCl, KCl, RbCl.

Why is AlCl$_3$ predominantly covalent while NaCl is ionic, despite both involving a metal and a halogen?

Which of the following compounds is expected to be most soluble in non-polar organic solvents?

Which of the following pairs of compounds correctly shows the trend of increasing covalent character?