Solved

HA Is a Weak Acid

Question 59

Multiple Choice

HA is a weak acid. Which equilibrium corresponds to the equilibrium constant Kb for A-?


A) HA (aq) + H2O (l) HA is a weak acid. Which equilibrium corresponds to the equilibrium constant K<sub>b</sub> for A<sup>-</sup>? A) HA (aq) + H<sub>2</sub>O (l) H<sub>2</sub>A<sup>+</sup> (aq) + OH<sup>-</sup>(aq) B) A<sup>-</sup> (aq) + H<sub>3</sub>O<sup>+</sup> (aq) HA (aq) + H<sub>2</sub>O (l) C) HA (aq) + OH<sup>-</sup> (aq) H<sub>2</sub>O (l) + H<sup>+</sup> (aq) D) A<sup>-</sup> (aq) + H<sub>2</sub>O (l) HA (aq) + OH<sup>-</sup> (aq) E) A<sup>-</sup> (aq) + OH<sup>-</sup> (aq) HOA<sup>2-</sup> (aq) H2A+ (aq) + OH-(aq)
B) A- (aq) + H3O+ (aq) HA is a weak acid. Which equilibrium corresponds to the equilibrium constant K<sub>b</sub> for A<sup>-</sup>? A) HA (aq) + H<sub>2</sub>O (l) H<sub>2</sub>A<sup>+</sup> (aq) + OH<sup>-</sup>(aq) B) A<sup>-</sup> (aq) + H<sub>3</sub>O<sup>+</sup> (aq) HA (aq) + H<sub>2</sub>O (l) C) HA (aq) + OH<sup>-</sup> (aq) H<sub>2</sub>O (l) + H<sup>+</sup> (aq) D) A<sup>-</sup> (aq) + H<sub>2</sub>O (l) HA (aq) + OH<sup>-</sup> (aq) E) A<sup>-</sup> (aq) + OH<sup>-</sup> (aq) HOA<sup>2-</sup> (aq) HA (aq) + H2O (l)
C) HA (aq) + OH- (aq) HA is a weak acid. Which equilibrium corresponds to the equilibrium constant K<sub>b</sub> for A<sup>-</sup>? A) HA (aq) + H<sub>2</sub>O (l) H<sub>2</sub>A<sup>+</sup> (aq) + OH<sup>-</sup>(aq) B) A<sup>-</sup> (aq) + H<sub>3</sub>O<sup>+</sup> (aq) HA (aq) + H<sub>2</sub>O (l) C) HA (aq) + OH<sup>-</sup> (aq) H<sub>2</sub>O (l) + H<sup>+</sup> (aq) D) A<sup>-</sup> (aq) + H<sub>2</sub>O (l) HA (aq) + OH<sup>-</sup> (aq) E) A<sup>-</sup> (aq) + OH<sup>-</sup> (aq) HOA<sup>2-</sup> (aq) H2O (l) + H+ (aq)
D) A- (aq) + H2O (l) HA is a weak acid. Which equilibrium corresponds to the equilibrium constant K<sub>b</sub> for A<sup>-</sup>? A) HA (aq) + H<sub>2</sub>O (l) H<sub>2</sub>A<sup>+</sup> (aq) + OH<sup>-</sup>(aq) B) A<sup>-</sup> (aq) + H<sub>3</sub>O<sup>+</sup> (aq) HA (aq) + H<sub>2</sub>O (l) C) HA (aq) + OH<sup>-</sup> (aq) H<sub>2</sub>O (l) + H<sup>+</sup> (aq) D) A<sup>-</sup> (aq) + H<sub>2</sub>O (l) HA (aq) + OH<sup>-</sup> (aq) E) A<sup>-</sup> (aq) + OH<sup>-</sup> (aq) HOA<sup>2-</sup> (aq) HA (aq) + OH- (aq)
E) A- (aq) + OH- (aq) HA is a weak acid. Which equilibrium corresponds to the equilibrium constant K<sub>b</sub> for A<sup>-</sup>? A) HA (aq) + H<sub>2</sub>O (l) H<sub>2</sub>A<sup>+</sup> (aq) + OH<sup>-</sup>(aq) B) A<sup>-</sup> (aq) + H<sub>3</sub>O<sup>+</sup> (aq) HA (aq) + H<sub>2</sub>O (l) C) HA (aq) + OH<sup>-</sup> (aq) H<sub>2</sub>O (l) + H<sup>+</sup> (aq) D) A<sup>-</sup> (aq) + H<sub>2</sub>O (l) HA (aq) + OH<sup>-</sup> (aq) E) A<sup>-</sup> (aq) + OH<sup>-</sup> (aq) HOA<sup>2-</sup> (aq) HOA2- (aq)

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q39: The conjugate base of H<sub>2</sub>PO<sub>4</sub><sup>-</sup> is _.<br>A)H<sub>3</sub>PO<sub>4</sub><br>B)HPO<sub>4</sub><sup>2-</sup><br>C)PO<sub>4</sub><sup>3-</sup><br>D)H<sub>3</sub>O<sup>+</sup><br>E)OH<sup>-</sup>

Q54: Using the data in the table, which

Q55: Calculate the pOH of a 0.0727 M

Q56: Classify the following compounds as weak bases

Q57: The hydride ion, H<sup>-</sup>, is a stronger

Q61: What is the pH of an aqueous

Q62: Calculate the molarity of hydroxide ion in

Q63: The K<sub>a</sub> of acetic acid (HC<sub>2</sub>H<sub>3</sub>O<sub>2</sub>)is 1.8

Q64: Determine the pH of a 0.35 M

Q123: In the reaction<br>BF<sub>3</sub> + F<sup>-</sup> → BF<sub>4</sub><sup>-</sup><br>BF<sub>3</sub>