How are reactions related to chemical bonds?
The type of bond has a great effect on the rate of reaction or speed of reaction.
Here we are going to discuss why and how it happens,
First of all in case of ionic compounds:-
Lets take example of Sodium hydroxide and Hydrochloric acid
NaOH (aq) + HCl (aq) → NaCl + H2O
Now lets see in depth about ions of reactants
Here the ions are already formed in the solution only rearrangement is required. And some times the reaction is completed in some seconds only.
so in the above case we have seen the ions are just to be rearranged.
Now in case of covalent compounds
Lets take an example of reaction between Iodomethane and Potassium hydroxide
CH3I + KOH → KI + CH3OH
Here in this reaction it took more time as it required to break the old bonds and to form the new bonds.
As shown here
So at last we can conclude that the ionic reactions are faster because they involve simply the rearrangement of ions , as the ions are already released in solution.
In case of covalent old bond breaking takes a lot of time and also new bond formation is also time consuming so these reactions are slow.