Question

Orthoboric acid -

• A. donate proton to form $H_{2}B{O}_3^{-}$
• B. accept proton of form $H_{4}B{O}_3^{+}$
• C. donate $O{H}^{-}$ to form $H_{2}B{O}_2^{+}$
• D. accept $O{H}^{-}$ to form $[B(OH{)}_4{]}^{-}$

Answer 1

Answer: (D)

$H_{2}B{O}_3$ acts as a Lewis acid and accepts an $O{H}^{-}$ ions to form $[B(OH{)}_4{]}^{-}$