17. Acid and Base Equilibrium

Identify conjugate acid and conjugate base in the following reaction.

                                                    H₂PO₄⁻ (aq) + H₂O (l) ⇌ HPO₄²⁻ (aq) + H₃O⁺ (aq)

a) HPO₄²⁻ (conjugate acid), H₃O⁺ (conjugate base) 

b) HPO₄²⁻ (conjugate base), H₃O⁺ (conjugate acid)

c) H₂PO₄⁻ (conjugate acid), H₂O (conjugate base)

d) H₂PO₄⁻ (conjugate base), H₂O (conjugate acid)

In the following reaction, labelBronsted-Lowry acid and base, along with conjugate acid and base.

H₂C₆H₆O₆ (aq) + H₂O (l) ⇌ HC₆H₆O₆⁻ (aq) + H₃O (aq)

Which of the following is the strongest base?

a. NO₃⁻                         b. F⁻                              c. Cl⁻                             d. ClO₄⁻                         e. H₂O

Which of the following bases will have the weakest conjugate acid?

a. CH₃COOH         b. HCl            c. CH₃NH₂           d. (CH₃)₂NH              e. LiOH

In the reversible reaction HCN + H₂O ⇌ CN^- + H₃O⁺, the two Bronsted-Lowry acids are...

Write the formula of the conjugate acid of the Brønsted-Lowry base, (CH₃)₃N

Which compound forms a powerful acid and also contains a halogen? H₂S, HBr, Li₂O, or LiBr?

The conjugate acid of H₂O is ________.

Write the formula of the conjugate acid of CH₃CH₃CH₂O^-.

Which is the correctly balanced chemical equation for the reaction of KOH and H₂SO₄?