Law of Chemical Equilibrium and Equilibrium Constants
Law of Chemical Equilibrium and Equilibrium Constants: Overview
This Topic covers sub-topics such as Law of Mass Action, Equilibrium Constant, Active Mass, Equilibrium Equation, Forward Rate Constant, Equilibrium Law or Law of Chemical Equilibrium and, Backward Rate Constant
Important Questions on Law of Chemical Equilibrium and Equilibrium Constants
At constant temperature, the equilibrium constant for the decomposition reaction is expressed by , where P = pressure, = extent of decomposition. Which one of the following statements is true?

At constant temperature, the equilibrium constant for the decomposition reaction is expressed by , where P = pressure, x = extent of decomposition. Which one of the following statements is true?

When two reactants, A and B are mixed to give products C and D, the reaction quotient , at the initial stage of the reaction :–

For the reversible reaction, at , the value of is when partial pressure is measured in the atmosphere. The corresponding value of , with concentration in , is:

For the reversible reaction at , the value of is when partial pressure is measured in atmosphere. The corresponding value of , with concentration in , is:

When 3.06 g of solid is introduced into a two litre evacuated flask at of the solid decomposes into gaseous ammonia and hydrogen sulphide.
The values of and for the reaction at respectively will be:

When two reactants A and B are mixed to give products C and D, the reaction quotient Q at the initial stage of the reaction is best described by-

For the reversible reaction, at , the value of is , when partial pressure is measured in the atmosphere. The corresponding value of , with the concentration in , is

For the reversible reaction, at , the value of is when partial pressure is measured in atmosphere. The corresponding value of , with concentration in mole , is –

For the chemical reaction , the amount of at equilibrium is affected by –

What is the equilibrium expression for the reaction,

For the reaction equilibrium, the concentrations of and at equilibrium are respectively. The value of Kc for the reaction is –

State and explain the law of mass action. Apply it to the following equilibria: .

State and explain the law of mass action. Apply it to the following equilibria: .

State and explain the law of mass action. Apply it to the following equilibria: .

One mole of is subjected to heating in a vessel. The number of moles of formed at equilibrium is . Calculate the equilibrium constant for the dissociation of .

Calculate if the partial pressures of reactants and products in the dissociation of mole of phosphorous pentachloride are , and respectively.

Give the units of for the formation of mole of from its constituents.

Write the equilibrium constant for the dissociation of .

The value of is at for the reaction
The value of , for the following reaction is:
