Question

Explain:

The molecules during collisions attain threshold energy and only then they result in chemical reaction. Certain collisions inspite of possessing thr es hold energy do not result in chemical reactions. This is because the orientation of collisions is not suitable for a chemical reaction. Thus, the collisions which are associated with threshold energy and
proper orientation only result in chemical reaction.

Answer 1

According to collision theory, for a reaction to occur there must be collision in between reacting molecules. Collisions which are converting into product are known as effective collision.

For effective collision following $2$ conditions must be satufied at a time.

$i)$ Reacting molecules must pocess a minimum amount of energy(Threshold energy.)

$ii)$ Proper orientation of molecules are structures in the figure. $A^2+B^2=2AB$.