Equilibrium MCQs


81. Dilution shifts equilibrium in solutions towards:
A) More ions
B) Fewer ions
C) No change
D) Solid formation
Answer: A


82. Reaction at equilibrium has maximum:
A) Energy
B) Rate
C) Stability
D) Pressure
Answer: C


83. Equilibrium can be disturbed by:
A) Temperature
B) Catalyst
C) Time
D) Color
Answer: A


84. Reaction with equal moles of gas is unaffected by:
A) Pressure
B) Temperature
C) Catalyst
D) Concentration
Answer: A


85. Kp is related to Kc by:
A) Kp = Kc
B) Kp = Kc(RT)^Δn
C) Kp = Kc/RT
D) No relation
Answer: B


86. Increasing temperature favors:
A) Endothermic direction
B) Exothermic direction
C) No change
D) Both
Answer: A


87. At equilibrium, system is:
A) Static
B) Dynamic
C) Closed
D) Open
Answer: B


88. If K is 1, reaction:
A) Favors products
B) Favors reactants
C) Balanced
D) Stops
Answer: C


89. Catalyst affects:
A) Rate only
B) Equilibrium only
C) Both
D) Neither
Answer: A


90. Increasing pressure in reaction with more product moles:
A) Favors products
B) Favors reactants
C) No change
D) Stops
Answer: B

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