A- Is a Weak Base

question 90

Multiple Choice

A- is a weak base. Which equilibrium corresponds to the equilibrium constant K_a for HA?

• A)HA (aq) + H₂O (l) H₂A⁺ (aq) + OH^- (aq)
• B)A^- (aq) + H₃O⁺ (aq) HA (aq) + H₂O (l)
• C)HA (aq) + H₂O (l) H₃O⁺ (aq) + A^- (aq)
• D)A^- (aq) + H₂O (l) HA (aq) + OH^- (aq)
• E)A^- (aq) + OH^- (aq) HOA^2- (aq)

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