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प्रश्न
Which of the following is not a favourable condition for physical adsorption?
विकल्प
High pressure
Negative ∆H
Higher critical temperature of adsorbate
High temperature
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उत्तर
High temperature
Explanation:
Physical adsorption is favoured at low temperature.
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संबंधित प्रश्न
What is the effect of temperature on chemisorption ?
Give reason why a finely divided substance is more effective as an adsorbent.
How does chemisorption vary with temperature?
Answer in one sentence:
Name type of adsorption in which vander Waals focres are present.
In physisorption, adsorption is generally ____________.
The extent of adsorption increases with the ____________.
The physical adsorption is due to ____________.
Physical adsorption of a gaseous species may change to chemical adsorption with ______.
In physisorption adsorbent does not show specificity for any particular gas because ______.
In which of the following reactions heterogenous catalysis is involved?
(a) \[\ce{2SO2 (g) + O2 (g) ->[NO(g)] 2SO3 (g)}\]
(b) \[\ce{2SO2 (g) ->[Pt(s)] 2SO3 (g)}\]
(c) \[\ce{N2 (g) + 3H2 (g) ->[Fe(s)] 2NH3 (g)}\]
(d) \[\ce{CH3COOCH3 (l) + H2O (l) ->[HCI(l)] CH3COOH (aq) + CH3OH (aq)}\]
Why is chemisorption referred to as activated adsorption?
Why do physisorption and chemisorption behave differently with rise in temperature?
Rate of physisorption increase with:-
Write three differences between physisorption and chemisorption.
Which of the following statements is incorrect regarding physisorptions?
