For a certain reaction large fraction of molecules has energy more than the threshold energy, yet the rate of reaction is very slow. Why?

Question

Philoid · Accepted Answer

The two most important conditions for a reaction to occur according to the collision theory are:

• Energy greater than activation energy.

• Proper orientation of reactant molecules at the time of collision.

The equation of the collision theory is given by

Rate = Pz_ABe^-Ea/RT

So when the reaction occurs then molecules that don’t have a proper orientation decreases the rate of a reaction.