MCQ
Basicity of $H_3BO_3$ is :
- ✓$1$
- B$2$
- C$3$
- D$4$
Although Boric acid contains 3 OH groups yet it can act as monobasic acid rather than tribasic acid. This is because boric acid does not act as a proton donor rather it accepts a pair of
electrons from $\mathrm{OH}^{-}$ ions.
It does not donate $\mathrm{H}^{+}$ rather it accepts an electron pair from the solution or the donor i.e. $\mathrm{OH}^{-}$
Thus, Boric acid is an aprotic acid (like lewis acid) and monobasic acid.
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$(iii)$ Size $(iv)$ Energy level