Multiple Choice
Consider the following aqueous equilibrium for a formic acid solution, HCOOH(aq) ⇄ H+(aq) + HCOO-(aq) .Suppose solid sodium hydroxide is added to the solution.Which statement below regarding the resulting solution is FALSE? Ignore any volume changes.
A) The pH increases.
B) The H+ concentration decreases.
C) The system shifts right to reestablish equilibrium.
D) The concentration of HCOO- increases.
E) The value of Ka decreases.
Correct Answer:
Verified
Correct Answer:
Verified
Q18: Vitamin C is a monoprotic weak acid,
Q19: Chromium(III) hydroxide shows greater solubility in strongly
Q20: The solubility product for CaCO<sub>3</sub> is written
Q21: Which of the following metal hydroxides is
Q22: One brand of extra-strength antacid tablets contains
Q24: What is true about the pK<sub>a</sub> of
Q25: In a titration of monoprotic acids and
Q26: Phenylephrine (PE; see the structure below) is
Q27: A phosphate buffer solution (25.00 mL sample)
Q28: For the reaction Fe(H<sub>2</sub>O)<sub>6</sub><sup>3+</sup>(aq) +H<sub>2</sub>O(l) ⇄ Fe(H<sub>2</sub>O)<sub>5</sub>(OH)<sup>2+</sup>(aq)