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प्रश्न
Physisorption is reversible while chemisorption is irreversible. Why ?
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उत्तर
Physisorption takes place with the help of non-covalent bonding between an adsorbate and an adsorbent; it makes the process reversible. Chemisorption, on the other hand, takes place with the help of covalent bonding; it makes the process irreversible.
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संबंधित प्रश्न
Write the differences between physisorption and chemisorption with respect to the following:
(i) Specificity
(ii) Temperature dependence
(iii) Reversibility and
(iv) Enthalpy change
Why is adsorption always exothermic?
Discuss the effect of temperature on the adsorption of gases on solids.
In physisorption, adsorption is generally ____________.
Chromatography is based on the principle of ____________.
The extent of adsorption increases with the ____________.
Which of the following is not a favourable condition for physical adsorption?
What is the role of diffusion in heterogenous catalysis?
Which among the following is a false statement?
In physical adsorption, gas molecules are bound on the solid surface by
