Why can an increase in temperature lead to more effective collisions between reactant particles and an increase in the rate of a chemical reaction?

(1) The activation energy of the reaction increases.

(2) The activation energy of the reaction decreases.

(3) The number of molecules with sufficient energy to react increases.

(4) The number of molecules with sufficient energy to react decreases.

Verified Answer :

Hagrid

An an increase in
temperature lead to more effective collisions between reactant particles and an
increase in the rate of a chemical reaction because the number of
molecules with sufficient energy to react increases. The answer is number 3.

The number of molecules with sufficient energy to react increases.

The correct option is 3.

What is the effect of increase in temperature?

With the increase in temperature, the molecules tends to move faster will high activation energy for a reaction.

The increase in temperature increase the velocity of the molecules.

Due to this, they collide more quickly.

The increase in temperature increase the kinetic energy of the molecules.

Thus, the correct option is 3. The number of molecules with sufficient energy to react increases.

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