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प्रश्न
How does chemisorption vary with temperature?
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उत्तर
With an increase in temperature chemisorption first increases as molecules get activation energy for adsorption. After certain chemisorption decreases.temperature,
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संबंधित प्रश्न
Give reasons for the following observations:
Physisorption decreases with increase in temperature.
Physisorption is reversible while chemisorption is irreversible. Why ?
Which of the following is an example of physisorption?
Powdered substances are more effective adsorbents than their crystalline forms because ____________.
Physical adsorption of a gaseous species may change to chemical adsorption with ______.
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) \[\ce{CH3COOCH3 (l) + H2O (l) ->[HCI(l)] CH3COOH (aq) + CH3OH (aq)}\]
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
Which of the following statements is not true about physisorption?
