Q. Boric acid is an acid because its molecule
A) contains replaceable $H^+$ ion
B) gives up a proton
C) accepts $OH^-$ from water releasing proton
D) combines with proton from water molecule
Explanation
[Solution] $B(OH)_3 + H_2O \rightarrow [B(OH)_4]^- + H^+$: it is a Lewis acid accepting $OH^-$. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.