Q. Which of the following statements about the solubility product (Ksp) is true?
-
A.
Ksp is temperature dependent
-
B.
Ksp is constant at all temperatures
-
C.
Ksp only applies to soluble salts
-
D.
Ksp is the same for all salts
Solution
Ksp is temperature dependent; it changes with temperature.
Correct Answer: A — Ksp is temperature dependent
Learn More →
Q. Which of the following statements about weak acids is true?
-
A.
They completely dissociate in solution
-
B.
They have a high pKa value
-
C.
They have a low pH
-
D.
They are strong electrolytes
Solution
Weak acids do not completely dissociate in solution and typically have a higher pKa value compared to strong acids.
Correct Answer: B — They have a high pKa value
Learn More →
Q. Which of the following statements is true about a buffer solution?
-
A.
Resists changes in pH
-
B.
Always has a pH of 7
-
C.
Contains only strong acids
-
D.
Is always neutral
Solution
A buffer solution resists changes in pH upon the addition of small amounts of acid or base.
Correct Answer: A — Resists changes in pH
Learn More →
Q. Which of the following will have the highest pH?
-
A.
0.1 M HCl
-
B.
0.1 M NaOH
-
C.
0.1 M CH3COOH
-
D.
0.1 M NH4Cl
Solution
0.1 M NaOH is a strong base and will have the highest pH compared to the other options.
Correct Answer: B — 0.1 M NaOH
Learn More →
Showing 61 to 64 of 64 (3 Pages)
