Question

Identify the reactions which give orthoboric acid from the following: \[ \text{I. Acidification of an aqueous solution of borax} \] \[ \text{II. Hydrolysis of diborane} \] \[ \text{III. Hydrolysis of boron trichloride} \]

• A. I, II only
• B. II, III only
• C. I, III only
• D. I, II, III

Hint:

Borax, diborane and boron trichloride are all important laboratory sources of orthoboric acid.

Answer 1

The Correct Option is D