** IF THE QUESTION STATES THE USE OF COLLISION THEORY TO EXPLAIN THE FACTORS AFFECTING THE SPEED OF REACTION, PLEASE EXPLAIN USING THE PARTICLES!!!**
(Typical Structure Question!)
Factors affecting rate of reaction:
1) CONCENTRATION
* EXPLANATION *
The greater the number of particles, the more frequent is the collision,-----> the faster the speed of reaction.
2) EFFECTIVE SURFACE AREAS OF REACTANTS
* EXPLANATION *
The greater the effective surface area of reactants,the more frequent is the collision-----> the faster the speed of reaction.
3) TEMPERATURE
* EXPLANATION *
The higher the temperature, the greater the amount of energy the paricles have, the frequent is the collision,-----> the faster the speed of reaction.
4) CATALYST
* EXPLANATION *
The use of catalyst increases the speed of reaction.
Note: Catalyst is never used up in a reaction!!!
