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प्रश्न
Why is it important to have clean surface in surface studies?
उत्तर
It is important to have clean surface as it facilitates the adsorption of desired species.
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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
What is the effect of temperature on chemisorption ?
Why are powdered substances more effective adsorbents than their crystalline forms?
Give reason why a finely divided substance is more effective as an adsorbent.
Discuss the effect of pressure and temperature on the adsorption of gases on solids.
Which of the following is an example of physisorption?
Chromatography is based on the principle of ____________.
In physisorption adsorbent does not show specificity for any particular gas because ______.
Give an example where physisorption changes to chemisorption with rise in temperature. Explain the reason for change.
Chromatography is based on:-
