Question

$H_{3}B{O}_3$ is:

• A. Monobasic acid and weak lewis acid
• B. Monobasic and weak Bronsted acid
• C. Monobasic and strong lewis acid
• D. Tribasic and weak bronsted acid

Answer 1

The correct option is A

Monobasic acid and weak lewis acid

Ortho boric acid is a weak, monobasic, Lewis acid

$p\pi -p\pi$ back bonding between ‘B’ and ‘O’ decreases acid strength greatly