What is hetergeneous catalysis.

What is the role of adsorption in heterogeneous catalysis?

What role does adsorption play in heterogeneous catalysis ?

In which of the following process adsorption plays an important role? (a) Froth floatation process (b) Chromatographic analysis (c) Control of humidity (d) heterogeneous catalysis

Give two examples of hetergeneous catalysis.

Write on difference in each of the following: (a) Multimolecular colloid and Associated colloid (b) Coagulation and Peptization (c) homogenous catalysis and Heterogeneous catalysis.

Give one example each of homogeneous and heterogeneous catalysis.

Identify the process in which heterogeneous catalysis is involved

Combination of N_(2) and H_(2) in the presence of Fe as a catalyst is an example of heterogeneous catalysis.

(a) A colloidal sol is prepared by the given method in figure. What is the charge of AgI colloidal particles in the test tube ? How is the sol formed, represented? (b) Explain how the phenomenon of adsorption finds application in Heterogeneous catalysis. (c) Which of the following electroytes is the most effective for the coagulation of Fe(OH)_(3) sol which is a positively charged sol? NaCI, Na_(2)SO_(4), Na_(3)PO_(4)

Write brief notes on the following: (ii) Heterogeneous catalysis