Question

Which of the following compounds are formed when $BCl_{3}$ is treated with water?

• A. $H_{3}BO_{3}$+HCl
• B. $B_{2}H_{6}$+HCl
• C. $B_{2}O_{3}$+HCl
• D. $HBO_{2}$

Answer 1

Answer: (A)

$H_{3}BO_{3}$+HCl

Answer 2

$BCl_{3}+3H_{2}O \to H_{3}BO_{3} +3HCl$ ${BCl_3}$ is completely hydrolysed by water yielding horic acid and hydrochloric acid ${BCl_3 + 3 H_2O -> H_3BO_3 + 3 HCl}$