The process in which one of the products acts as a catalyst is known as:

Which is True $(T)$ and False $(F)$ of the following statements?
$1.$ By catalyst,the forward reaction becomes fast and the reverse reaction becomes slow.
$2.$ $A$ catalyst decreases the potential energy of reactants and products.
$3.$ $A$ catalyst forms bonds in the reaction,so it is consumed.

Why is desorption important for a substance to act as a good catalyst?

In the oxidation of oxalic acid by $KMnO_4$,the color of $KMnO_4$ disappears slowly at the start of the reaction but disappears very fast afterwards. This is an example of:

Which of the following is the first step in the mechanism of heterogeneous catalysis?

Which of the following statements is wrong?