A
It is a strong tribasic acid.
B
It is prepared by acidifying an aqueous solution of borax.
C
It has a layer structure in which planar BO3 units are joined by hydrogen bonds.
D
It does not act as proton donor but acts as a Lewis acid by accepting a lone pair of electrons.
Solution:
Instead of donating -OH group in solution, H3BO3 accepts -OH group from water. Therefore, it is weak monobasic.
Boric acid forms when borax is treated with an acid.
Boric acid has a layer-like structure in which each BO3 unit is combined with another BO3 through hydrogen bonding.
B in H3BO3 is electron-deficient, therefore it acts as a weak Lewis acid that can accept a lone pair of electrons. This concludes that statement 1 is incorrect.
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