Question

Describe the addition reaction of catalyst in this reaction how this reaction is different from a substitution reactions?
explain with an example

Answer 1

✴⚫↪An addition reaction occurs when two or more reactants combine to form a single product. This product will contain all the atoms that were present in the reactants. Addition reactions occur with unsaturatedcompounds.
✴⚫↪A substitution reaction occurs when an exchange of elements in the reactants takes place. The initial reactants are transformed or swopped around to give a final product.