Q. Which one of the following is the correct statement?

A) Boric acid is a protonic acid
B) Beryllium exhibits coordination number of six
C) Chlorides of both beryllium and aluminium have bridged chloride structure in solid phase
D) $B_{2}H_{6}.2NH_{3}$ is known as inorganic benzene
Explanation

(c)
Chlorides of both beryllium and aluminium have bridged structures in solid phase.
[image:11_image21.emf]
Boric acid is not a protonic acid
[image:11_image22.emf]
Borazole, inorganic benzene contains $B_{3}N_{3}H_{6}$.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.