Question

Write any two diagonal relationship between berelium and alluminium

Answer 1

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•Both metals have the tendency to form covalent compounds

•Both BeCl2 and AlCl3 act as Lewis acids and are used as Friedel craft catalyst

•Both elements have the same electronegativity and polarising power

•Both BeCl2 and AlCl3 have chlorine bridged structures in vapour phase.