Why does physisorption decrease with the increase of temperature?
Answer:
It is because physical adsorption involves weak forces of attraction between adsorbent and adsorbent molecules, generally of Vander Waal's type. These forces decrease rapidly with increase in temperature.
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Why are substances like platinum and palladium often used for carrying out electrolysis of aqueous solutions?
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In Haber's process, hydrogen is obtained by reacting methane with steam in presence of NiO as catalyst. The process is known as steam reforming. Why is it necessary to remove CO when ammonia is obtained by Haber’s process?
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What is the role of desorption in the process of catalysis?
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Why is it essential to wash the precipitate with water before estimating it quantitatively?
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What do you mean by adsorbent and adsorbate?
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Why are powdered substances more effective adsorbents than their crystalline forms?
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Why is the ester hydrolysis slow in the beginning and becomes faster after sometime?
