Acid-Base Chemistry Quiz

Which of the following is a characteristic of a Bronsted-Lowry acid?

• It is always a strong acid.

• It accepts protons.

• It donates protons.

• It forms hydroxide ions in water.

In the reaction between hydrochloric acid and hydroxide ion, what is the conjugate base of HF?

• F-

• HCl

• H2O

• OH-

What determines the favored direction of an acid-base reaction?

• The temperature of the reaction

• The concentration of reactants

• The weaker acid and base

• The stronger acid and base

Which of the following acids is the strongest?

• HCl

• H2Se

• H2S

• H2O

What is the concentration of hydronium ions in a 1.2 M solution of HBr?

• 0.12 M

• 2.4 M

• 0.6 M

• 1.2 M

If the pH of a solution is 8.7, what can be said about the solution?

• It is neutral.

• It is acidic.

• It is basic.

• It is a strong acid.

How do you calculate the pH from the hydronium ion concentration?

• Multiply the concentration by 14.

• Divide the concentration by 14.

• Take the negative log of the concentration.

• Add 7 to the concentration.

What is the pH of a solution with a hydroxide ion concentration of 1 x 10^-9 M?

• 5

• 9

• 7

• 14

Which of the following statements is true about strong acids?

• They partially dissociate in water.

• They have a high pH.

• They are always more concentrated than weak acids.

• They completely dissociate in water.

What is the relationship between pH and pOH in a solution?

• pH + pOH = 7

• pH + pOH = 14

• pH - pOH = 14

• pH - pOH = 7