Factors affecting the rate of reaction

FACTORS AFFECTING THE RATE OF REACTION

For any homogeneous reaction temperature, pressure, and composition of the reaction system are the most important factors which affect the rate of reaction

There also some more factors which affect the rate of reaction which as follows

• Nature of reactants
• Concentration of reactants
• The temperature at which reaction occurs
• The pressure of the reacting system
• Presence of catalyst in the reaction
• The physical state of the reactants
• Rate of heat and mass transfer

Depending upon these for the homogeneous system rate of reaction can be written as the function of composition and temperature as follows

• For the reaction A → R
• The rate equation can be written as

     where

          C_A^α = Concentration-dependent term

          k₀e^-E/RT = Temperature dependent term

          E = Activation energy

          α = Order of reaction with respect to A