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Which of the following can result in a transition from physisorption to chemisorption?a.Increase in surface areab.Increase in temperaturec.Decrease in pressured.Decrease in temperature

Question

Which of the following can result in a transition from physisorption to chemisorption?a.Increase in surface areab.Increase in temperaturec.Decrease in pressured.Decrease in temperature

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Solution

The transition from physisorption to chemisorption can be caused by an increase in temperature.

Here's a step-by-step explanation:

  1. Physisorption is a type of adsorption where the forces involved are van der Waals forces, which are relatively weak and hence, can be easily overcome by increasing the temperature.

  2. As the temperature increases, the kinetic energy of the adsorbate molecules also increases. This allows them to overcome the weak van der Waals forces involved in physisorption.

  3. With sufficient energy, the adsorbate molecules can now interact with the adsorbent surface more strongly, leading to the formation of chemical bonds. This process is known as chemisorption.

  4. Therefore, an increase in temperature can result in a transition from physisorption to chemisorption.

The other options (increase in surface area, decrease in pressure, decrease in temperature) are not typically associated with a transition from physisorption to chemisorption.

This problem has been solved

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