Thermodynamic feasibility of the reaction alone cannot decide the rate of the reaction. Explain with the help of one example.

Explanation

Many chemical reactions are thermodynamically feasible which means the enthalpy of reaction `(delta_(r)H)` is negative. Still they donot occur. Actually, the activation energy is another factor which influences the reaction velocity. In case, the reacting molecules donot have sufficient activation energy, their collisions will go waste without resulting into products.