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Question
What is chemical equilibrium? What are its characteristics?
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Solution
Chemical equilibrium is the state for a reversible chemical reaction where the rate of forwarding direction is equally balanced by the rate of backward direction and the process seems to be stopped.
Its characteristics are,
- The rate of the forward and backward reactions are equal in chemical equilibrium.
- The observable properties such as pressure, concentration, colour, density, viscosity, etc. of the system unchanged with time.
- In physical equilibrium, the volume of all phases remains constant.
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RELATED QUESTIONS
Which of the following statements are correct about a chemical equilibrium?
(i) It is dynamic in nature
(ii) The rate of the forward and backward reactions are equal at equilibrium
(iii) Irreversible reactions do not attain chemical equilibrium
(iv) The concentration of reactants and products may be different.
The equilibrium attained during the melting of ice is known as ______
At the equilibrium of a reversible reaction, the concentration of the reactants and the products will be equal.
