question_answer

Which of the following statements about \[{{H}_{3}}B{{O}_{3}}\] is not correct [CBSE PMT 1994]

A) It is a strong tribasic acid

B) It is prepared by acidifying an aqueous solution of borax

C) It has a layer structure in which planar \[B{{O}_{3}}\] units are joined by hydrogen bonds

D) It does not act as proton donor but acts as a Lewis acid by accepting hydroxyl ion