91. Reaction quotient helps determine:
A) Rate
B) Direction
C) Energy
D) Time
Answer: B
92. When system is disturbed, it:
A) Remains same
B) Shifts equilibrium
C) Stops reaction
D) Changes K
Answer: B
93. Equilibrium constant for gas depends on:
A) Volume
B) Pressure
C) Temperature
D) Catalyst
Answer: C
94. Increasing temperature increases K for:
A) Exothermic
B) Endothermic
C) Both
D) Neither
Answer: B
95. Which reaction has no effect of pressure?
A) Gas → Gas
B) Gas → Liquid
C) Equal moles gas
D) Unequal moles gas
Answer: C
96. Reaction reaches equilibrium when:
A) Reactants vanish
B) Rates equal
C) Products vanish
D) Energy zero
Answer: B
97. Equilibrium constant shows:
A) Speed
B) Extent
C) Time
D) Pressure
Answer: B
98. If K is very high, reaction is:
A) Reversible
B) Almost complete
C) Slow
D) Impossible
Answer: B
99. Equilibrium shifts left when:
A) Product increases
B) Reactant increases
C) Temperature increases
D) Catalyst added
Answer: A
100. At equilibrium, concentrations are:
A) Equal
B) Constant
C) Zero
D) Increasing
Answer: B