Question

Which one of the following is the correct statement?

• A. $B_2{H}_6.2N{H}_3$ is known as ${}^{\prime }inorganicbenzen{e}^{\prime }$.
• B. Boric acid is a protonic acid
• C. Beryllium exhibits coordination number of six
• D. Chlorides of both beryllium and aluminium have bridged chloride structures in solid phase

Answer 1

The correct option is D Chlorides of both beryllium and aluminium have bridged chloride structures in solid phase

$a-$ diborane diammoniate
$b-$ Boric acids does not liberate protons on its own but acts as a monobasic acid upon hydrolysis
$c-$ Maximum valency of $Be$ is $4$