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What is dynamic equilibrium ?explain it with an example.

What is dynamic equilibrium ?explain it with an example.

Grade:12

1 Answers

Arun
25750 Points
5 years ago
Dynamic equilibrium:
A dynamic equilibrium is a state of reversible reaction where reactants are converted to products and products are converted to reactants with same speed, resulting in no net change in the amount of product or starting material.
Example:  For water at a given temperature in a closed vessel at equilibrium, the rate of evaporation is equal to the rate of condensation.
Other example: Formation of hydrogen iodide from hydrogen and iodine is a reversible reaction.
H2 +I2 ↔ 2HI
To demonstrate dynamic equilibrium add little amount of radioactive iodine (I2*) at equilibrium to the reaction mixture. After some time the product HI is found to be radioactive (HI*). This shows us both forward and backward reactions are taking place even at equilibrium point. 

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