The similarities between beryllium and aluminium are
• [I.] The chlorides of both have Cl bridged structure in vapour phase
• [II.] Both have strong tendency to form complexes
• [III.] Maximum covalency of both is 6
The correct answer is
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Diagonal relationship:
Be \(\leftrightarrow\) Al
Important similarities:
• Amphoteric nature
• Complex formation
• Covalent halides
• Bridged chlorides