First slide

Orthoboric acid

Question

Which one of the following is the correct statement ?

Moderate

A

Chlorides of both beryllium and aluminium have bridged chloride structures in solid phase
B

Boric acid is a protonic acid
C

Beryllium exhibits coordination number of six
D

$B_{2} H_{6} . 2 {NH}_{3}$ is known as ‘inorganic benzene’

Solution

(1) ${BeCl}_{2} and {AlCl}_{3}$ both have bridged structure in solid phase.
(2) B₃N₃H₆is known as Inorganic benzene.
(3) Boric acid is lewis acid.
(4) Be exhibits coordination number of 4

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