NTA Abhyas NEET2020Chemistryp Block Elements (Group 13 & 14)Practice
Which statements is not correct about H 3 B O 3 ?
Options
- AIt is a strong tribasic acid
- BIt has a layer structure in which planar B O 3 units are joined by hydrogen bonds
- CIt is prepared by acidifying an aqueous solution of borax
- DIt does not act as proton donor but acts as a Lewis acid by accepting hydroxyl ion
Correct answer
A. It is a strong tribasic acid
Step-by-step solution
H 3 B O 3 is orthoboric acid, it is weak monobasic Lewis acid of boron. It has a layer structure in which planar B O 3 units are joined by hydrogen bonds.