Acid and base theory

The anion of sodium hydrogen sulfate HSO4- react as follows with the phosphate ion PO43-.

HSO4- + PO43- > SO42- + HPO42-

Conjugate acid-base pairs is....

• A. HSO4- and PO43-

• B. HSO4- and SO42-

• C. PO43- and SO42-

• D. PO43- and HPO42-

• E. SO42- and HSO4-

The conjugate base of nitric acid, HNO3 is....

• A. NO3-

• B. H2NO3+

• C. NO2-

• D. HNO2

• E. HNO3-

Lewis acid is....

• A. Ion or molecular species that can accept a pair of electrons

• B. Ionic or molecular species that can donor a pair of electrons

• C. Proton donor

• D. Proton acceptor

• E. Acid and base reaction

Ion or molecular amphoteric in below is....

• A. SO42-

• B. HSO4-

• C. PO43-

• D. NO3-

• E. NO2-

H3PO4 ionization in water produce....

• A. H+ + PO43-

• B. H+ + 2PO43-

• C. 3H+ + 2PO43-

• D. 3H+ + PO43-

• E. H+ + HPO4-