Acids & Bases Quiz

• 3

• 10

• 7

• -3

Which of the following solutions is a buffer solution?

• 0.1 M HCl and 0.1 M NaCl

• 0.1 M NaOH and 0.1 M NaCl

• 0.1 M HCl and 0.1 M NaOH

What is the pH at the equivalence point when titrating a strong acid with a strong base?

• 7

• Greater than 7

• Less than 7

• Cannot be determined without knowing the specific acid and base

How does the addition of a small amount of a strong acid to a buffer solution primarily affect the pH of the solution?

• It significantly decreases the pH.

• It significantly increases the pH.

• It causes a slight decrease in pH.

• It does not change the pH.

What is the pH of a 0.01 M NaOH solution?

• 12

• 2

• 7

• 14

Which of the following is not a characteristic of a buffer solution?

• It maintains a relatively constant pH when small amounts of acid or base are added.

• It consists of a weak acid and its conjugate base.

• It changes color to indicate the pH of the solution.

• It can be prepared by mixing a weak acid with a salt of its conjugate base.

What is the pH of a solution formed by mixing 50 mL of 0.1 M HCl with 50 mL of 0.1 M NaOH?

• 7

• 1

• 14

• Cannot be determined without more information

In a titration curve of a weak acid with a strong base, what feature indicates the equivalence point?

• The point where the pH starts to increase rapidly

• The point where the pH is 7

• The steepest part of the curve

• The point where the pH is at its maximum

What is the effect of diluting a buffer solution on its pH?

• The pH increases significantly.

• The pH decreases significantly.

• The pH remains relatively constant.

• The pH initially decreases, then increases.

• 10

• 4

• 7

• 14