21. If Q > K, reaction shifts:
A) Left
B) Right
C) No change
D) Stops
Answer: A
22. Kp is used for:
A) Solids
B) Liquids
C) Gases
D) All
Answer: C
23. Relationship between Kp and Kc depends on:
A) Pressure
B) Temperature
C) Δn
D) Volume
Answer: C
24. If Δn = 0, then:
A) Kp = Kc
B) Kp > Kc
C) Kp < Kc D) No relation Answer: A
25.Increasing volume shifts equilibrium towards: A) Fewer moles B) More moles C) No change D) Solid Answer: B
26. Dilution affects equilibrium of: A) Gases B) Solutions C) Solids D) Liquids Answer: B
27. Equilibrium is possible only in: A) Open system B) Closed system C) Isolated system D) Any system Answer: B
28. Value of equilibrium constant indicates: A) Rate B) Extent of reaction C) Time D) Energy Answer: B
29. If K is very large, reaction is: A) Slow B) Nearly complete C) Reversible D) No reaction Answer: B
30. If K is very small, reaction is: A) Complete B) Partial C) Hardly occurs D) Fast Answer: C