Question
Explain graphical representation of chemical adsorption and physical adsorption.
✓
Answer
Adsorption isotherms represents the variation of adsorption at constant temperature.
2. When amount ?f adsorption is plotted versus temperature at constant pressure is called adsorption iso bar
3. In physical adsorption x/m decreases with increase in T. But in chemical adsorption x/m increases with rise in temperature and then decreases. The increase illustrate the requirement of activation of the surface for adsorption is due to the fact that formation of activated complex require certain energy. The decrease at high temperature is due to desorption, as the kinetic energy of the adsorbate increases.
2. When amount ?f adsorption is plotted versus temperature at constant pressure is called adsorption iso bar
3. In physical adsorption x/m decreases with increase in T. But in chemical adsorption x/m increases with rise in temperature and then decreases. The increase illustrate the requirement of activation of the surface for adsorption is due to the fact that formation of activated complex require certain energy. The decrease at high temperature is due to desorption, as the kinetic energy of the adsorbate increases.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Discuss the uses of phosphine.
Identify A and B in the following reactions.
What are the uses of phenol?
Calculate emf of the following cell of $25°C.$
→The pH of a sample of vinegar is $3.76.$ Calculate the concentration of hydrogen ion in it.
→What is meant by packing efficiency? How is ¡t measured?
- Adsorption of a gas on the surface of solid is generally accompanied by a decrease in entropy. Still ¡t is a spontaneous process. Explain.
- How does an increase in temperature affect both physical as well as chemical adsorption?
Using crystal field theory, explain the colour of the coordination compound.
In order to wash clothes which cleaning agent what will you prefer and why: soap or synthetic detergents? Give one advantage of soaps and synthetic detergents each.
What is LDPE? Give its preparation and uses.