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Ionization of Acids and Bases MCQs

1. What is the pK_W at 298 k?

a) 14

b) 7

c) 1

d) 0

Answer: 14

2. Which of the following has a PH greater than 7?

a) gastric juice

b) vinegar

c) blood plasma

d) lemon juice

Answer: blood plasma

3. A neutralization reaction results in the formation of _______________

a) salts

b) acid

c) base

d) hydrogen

Answer: salts

4. NaCl is a ________ salt.

a) Normal

b) Acidic

c) Basic

d) Double

Answer: Normal

5. What is the reverse process of Neutralization?

a) formation

b) hydrolysis

c) reaction

d) splitting

Answer: hydrolysis

6. Why is the aqueous solution of a salt of a weak acid and strong base is alkaline?

a) utilization

b) neutralization

c) cationic hydrolysis

d) anionic hydrolysis

Answer: anionic hydrolysis

7. What is the hydrolysis constant of a weak acid-weak base?

a) K_W/K_b

b) K_W/K_a

c) K_W/K_aK_b

d) 1/K_aK_b

Answer: K_W/K_aK_b

8. Formic acid has a concentration of 0.1M and K_a is 1.77 x 10^-4. What is the value of degree of dissociation?

a) 4

b) 4.2

c) 0.42

d) 42

Answer: 4.2

9. What is the pH of the solution of sulphuric acid having a concentration of 0.01M?

a) 1

b) 2

c) 3

d) 4

Answer: 2

10. Acid strength increases in the order of _____________

a) HF ≪ HCl ≪ HBr ≪ HI

b) HF ≪ HBr ≪ HCl ≪ HI

c) HI ≪ HCl ≪ HBr ≪ HF

d) HCl ≪ HF ≪ HBr ≪ HI

Answer: HF ≪ HCl ≪ HBr ≪ HI

Ionization of Acids and Bases MCQs PDF Download

Categories: Equilibrium