Arrhenius Equation
Arrhenius equation is a mathematical expression to give a quantitative relationship between rate constant and temperature , and the expression is
where , A = frequency or Arrhenius factor . It is also called pre-exponential factor
R = gas constant
Ea = activation energy
Activated complex ( or transition state )
Activated complex is the highest energy unstable intermediate between the reactants and products and gets decomposed immediately ( having very short life ), to give the products . In this state , bonds of reactant are not completely broken while the bonds of products are not completely formed .