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  • Choose the correct statement(s) related to . A. It is ionic in nature B. It is a

Choose the correct statement(s) related to \mathrm{BeO}.

A. It is ionic in nature
B. It is a basic oxide
C. It acts as amphoteric oxide
D. It acts as amphoteric oxide

Option: 1

A only


Option: 2

B only


Option: 3

C only


Option: 4

A and D only


Answers (1)

best_answer

\mathrm{BeO}  is amphoteric because it reacts with both acid and base

\mathrm{BeO}+2 \mathrm{NaOH} \rightarrow \mathrm{Na}_{2} \mathrm{BeO}_{2}+\mathrm{H} _{2} \mathrm{O}
\mathrm{BeO}+2 \mathrm{HCl} \rightarrow \mathrm{BeCl}_{2}+\mathrm{H}_{2} \mathrm{O}

\mathrm{BeO} is covalent in nature while other oxide of same group elements are ionic. This is due to the smaller size and high charge density on Be which will polarise the oxygen more and have more covalent character.

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