Question

Mention any three diagonal relationship similarities between Berylium and Aluminium.

Answer 1

Diagonal relationships between Beryllium and Aluminium

• Both metals have the tendency to form covalent compounds
• Both $BeC{l}_2$ and $AlC{l}_3$ act as Lewis acids and are used as Friedel craft catalyst
• Both elements have the same electronegativity and polarising power
• Both $BeC{l}_2$ and $AlC{l}_3$ have chlorine bridged structures in vapour phase.