Which statements are correct regarding the diagonal relationship between Al and Be?

CHEMISTRY · Multi correct

Problem

Which statements are correct regarding the diagonal relationship between Al and Be? (1)

\mathrm{BeO}

and

\mathrm{Al_2O_3}

are amphoteric in nature. (2) Both carbides produce the same gas on hydrolysis. (3) Both can form complexes. (4) Both have nearly the same melting point.

Related theory

Amphoteric metals with alkalis

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