61. A large K value means:
A) Slow reaction
B) Products favored
C) Reactants favored
D) No reaction
Answer: B
62. Effect of pressure on equilibrium is seen in:
A) Liquids
B) Solids
C) Gases
D) Solutions
Answer: C
63. Increasing temperature in exothermic reaction:
A) Increases K
B) Decreases K
C) No effect
D) Doubles K
Answer: B
64. For endothermic reaction, K increases with:
A) Pressure
B) Temperature
C) Catalyst
D) Volume
Answer: B
65. When ΔG = 0, system is:
A) Spontaneous
B) Non-spontaneous
C) At equilibrium
D) Fast
Answer: C
66. Equilibrium constant depends on:
A) Initial concentration
B) Final concentration
C) Temperature only
D) Pressure
Answer: C
67. Which does NOT change K?
A) Temperature
B) Catalyst
C) Reaction type
D) Equation
Answer: B
68. At equilibrium, forward reaction rate is:
A) Greater
B) Less
C) Equal to reverse
D) Zero
Answer: C
69. If Q = 0, reaction proceeds:
A) Backward
B) Forward
C) No change
D) Stops
Answer: B
70. Pure solids are not included in K because:
A) Constant concentration
B) No reaction
C) Low energy
D) High pressure
Answer: A