Seema Saini Solutions for Chapter: Surface Chemistry, Exercise 4: DPP 5.4

Air can oxidise sodium sulphite in aqueous solution but cannot do so in the case of sodium arsenite. If, however, air is passed through a solution containing both sodium sulphite and sodium arsenite, both can be oxidized. This is an example of

$\mathrm{ZSM}-5$ is used to convert:

For the reaction $\mathrm{A}\to \mathrm{B}+\mathrm{C}$, the energy profile diagram is given in the figure:

What is the decrease in energy of activation in presence of catalyst?

Which of the following statements are correct about solid catalyst?

In a reaction, catalyst changes

Which act(s) as a negative catalyst?

Which of the following statements is/are true?

Which of the following statements is/are true for heterogeneous catalysis?