For system, equilibrium constant, Ke has units of (concentration) !?
Q.2
Which statement about the following equilibrium is correct? 2S0% 250 A .
Q.3
2SO 3(g) 2SO 2(g) + 02(g) The conventional equilibrium (Kc) constant expression system as described by the equation is:
Q.4
A saturated solution represents a equilibrium. dynamic Macroscopically, the concentration of dissolved solute is constant. Microscopically, this occurs because:
Q.5
Which of the following statements correctly describes the effect of temperature on the equilibrium constant?
Q.6
Consider the gas-phase equilibrium system represented by the equation: 2H, Oig) = 2H 2(g) + 02(g) Given that the forward reaction is endothermic, which of the following changes will decrease the equilibrium amount of H2O?
Q.7
Kc = 0.040 at 450°C for the given reaction, evaluate Kp for the reaction. PCl5(g) PC 3(g) + C1 2(g)
Q.8
In which of the following gaseous equilibria, pressure has no effect on the equilibrium position?
Q.9
Consider equilibrium 2H 2(p) +028) 2H,0(6) . If the concentration of H,0 (g) is increased, the concentrations of H2(g) and O2(g) will:
Q.10
For a specific reaction, the value of the equilibrium constant, Ke?
Reversible Reactions
Q.11
Which one of the following is not an example of reversible reaction?
Q.12
Which one of the following microscopic event?
Q.13 The reversible reaction cannot be achieved in:
Q.14 A reversible reaction is one which:
Q.15
Which following is an irreversible reaction?
Q.16
Which of the following reactions reaches equilibrium?
Q.17 In a reversible reaction:
Reversible reaction
Q.18
are indicated by:
Q.19 Combustion of methane is:
Q.20 Dynamic equilibrium is attained when:
Q.21
Which statement is true at dynamic equilibrium!
Q.22
At equilibrium, the observable properties:
Q.23
Which is NOT a feature of dynamic equilibrium?
Q.24 Dynamic equilibrium occurs:
Q.25 At equilibrium:
Law of Mass Action
Q.26 Law of mass action was proposed by:
Q.27 Law of mass action is applicable to:
Q.28
According to law of mass action, rate of reaction is proportional to:
Q.29 Active mass means:
Q.30 Law of mass action applies to:
Q.32 Ke is expressed in terms of:
Q.33 Equilibrium constant depends on:
Q.34
If Kc > 1, the reaction:
Q.35 Kp is used for:
Q.36
Kp = Kc(RT)" is used to relate:
Q.37
For reaction: N2 + 3H2 = 2NH3, An= ?
Q.38
If Q = K, then:
Q.39
If Q > K, the reaction:
Q.40 Reaction quotient Q is calculated using:
Q.41 A large K value indicates:
Q.42
Q < K implies:
Q.43 Position of equilibrium is affected by:
Le Chatelier's Principle
Q.44
applies to:
Q.45 Increasing temperature favors:
Q.46
Decreasing pressure shifts equilibrium towards:
Q.47 Addition of inert gas at constant volume:
Q.48 Catalyst affects:
Q.49 Removing product from equilibrium:
Q.50 Increase in concentration of reactants:
Q.51 Increase in pressure shifts equilibrium to:
Q.52 Lowering exothermic reaction:
Q.53 Catalyst affects:
Q.54
Which does not alter equilibrium constant?
Q.55 Removing a shifts equilibrium to:
Industrial Applications
Q.56 Catalyst used in Haber process is:
Q.57 Reaction in Haber process is:
Q.58 Pressure used in Haber process:
Q.59 Contact process is used for:
Q.60 Catalyst used in contact process:
Q.61 Optimum temperature in Haber process is:
Q.62
The relationship Kp = Kc(RT)n valid for:
Q.63
For An = 0, Kp =:
Q.64
In the equation Kp = Kc(RT)^An, R is:
Q.65
If An is positive, then Kp is:
Q.66
In Kp = K. (RT)"
Q.67 Units of Kc depend on:
Q.68 NH Cl in water makes solution:
Q.69 Na2CO3 in water gives:
Q.70
Salts of weak acid + strong base are:
Q.71 CH COONa in water forms:
Q.72 Strong acid + strong base forms a:
Q.73
Which of the following undergoes hydrolysis?
Haber Process Yield Optimizer
Move sliders to optimize NH3 yield according to Le Chatelier.