See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

  3 3 6 3 3 9 3 B N H 3HCl B N H Cl . Boric acid behaves as a strong acid in presence of 1,2-diol. 2 6 B H on hydrolysis produces 3 3 H BO 2 6 2 3 3 2 B H 6H O 2H BO 6H    . Orthoboric acid is not a protonic acid.