Which of the following statements are true for H 3 BO 3 ?

Chemistry · JEE Advanced · NTA Exams — p-Block Elements

1. It is mainly monobasic acid and a Lewis acid
2. It does not act as a proton donor but acts as an acid by accepting hydroxyl ions
3. It has a layer structure in which BO₃^-3 units are joined by hydrogen bonds
4. It is obtained by treating borax with conc. H₂SO₄

Answer

(A) It is mainly monobasic acid and a Lewis acid, (B) It does not act as a proton donor but acts as an acid by accepting hydroxyl ions, (C) It has a layer structure in which BO 3 -3 units are joined by hydrogen bonds, (D) It is obtained by treating borax with conc. H 2 SO 4

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