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the rates of transfer of molecules from ice into water and of reverse transfer from water into ice are equal at atmospheric pressure and 273 K. Both the processes occur simultaneously and at the same rate so that the amount of ice and water remains constant. This process is called
  • a)
    Liquid-Gas Equilibrium
  • b)
    dynamic equilibrium
  • c)
    Liquid-Vapour Equilibrium
  • d)
    ionic equilibrium
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
the rates of transfer of molecules from ice into water and of reverse ...
Rate of evaporation= rate of condensation. This is condition of dynamic equillirium.
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the rates of transfer of molecules from ice into water and of reverse ...
Dynamic Equilibrium
Dynamic equilibrium refers to a state where two opposing processes occur at the same rate, resulting in no net change in the overall system. In this case, the transfer of molecules from ice into water and the reverse transfer from water into ice occur simultaneously and at the same rate. As a result, the amount of ice and water remains constant.

Explanation:
1. Transfer of Molecules from Ice into Water
When ice is in contact with water, the ice molecules have a higher potential energy compared to the water molecules. As a result, some of the ice molecules gain enough energy to break their intermolecular bonds and enter the liquid phase.

2. Reverse Transfer from Water into Ice
At the same time, water molecules in the liquid phase also collide with the ice surface. Some of these water molecules lose energy and form intermolecular bonds with the ice molecules, transitioning back into the solid phase.

3. Rate of Transfer
At atmospheric pressure and 273 K (0 degrees Celsius), the rates of transfer of molecules from ice into water and from water into ice are equal. This means that for every ice molecule that enters the liquid phase, a water molecule transitions back into the solid phase. Therefore, there is no net change in the overall amount of ice and water.

4. Dynamic Equilibrium
The equal rates of transfer of molecules from ice into water and from water into ice establish a dynamic equilibrium. In this state, the system is in constant motion, with molecules continuously transitioning between the solid and liquid phases. However, the overall composition of ice and water remains unchanged over time.

5. Application
Dynamic equilibrium is a fundamental concept in chemistry and is observed in various systems. It helps explain phenomena such as the vaporization and condensation of a liquid, the dissolution and precipitation of a solute, and the dissolution and crystallization of a solid.

By understanding dynamic equilibrium, scientists can predict and explain the behavior of substances in different states and conditions.
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the rates of transfer of molecules from ice into water and of reverse transfer from water into ice are equal at atmospheric pressure and 273 K. Both the processes occur simultaneously and at the same rate so that the amount of ice and water remains constant. This process is calleda)Liquid-Gas Equilibriumb)dynamic equilibriumc)Liquid-Vapour Equilibriumd)ionic equilibriumCorrect answer is option 'B'. Can you explain this answer?
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