AP EAMCET Medical 24 Apr 2019 Shift 1 Paper

Identify the correct statements with respect to oithobouc acid from the following.
I) It is a weak tribasic acid
II) It has a layer structure in which planar B03 units are joined by hydrogen
bonds III) With water it forms [B(OH)4]−
IV) It is not obtained by the hydrolysis of diborane