89.6 Rate Theories of elementary reaction 9.6.3 Calculation of If E= 120 k] mol- I T=300 K then In 1909. Max Trautz had introduced q=127×1021 fraction of reactive collision(g to solve this great discrepancy This suggest than among 7. 8x 1020 collision only one collision is effective The fraction of the collision with the energy equal to or greater than ecis E q exp RT Boltzmann factor      = = − RT E n n q c exp * Boltzmann factor If Ec = 120 kJmol-1 , T = 300 K, then q = 1.27 10-21 This suggest than among 7.8  1020 collision only one collision is effective. The fraction of the collision with the energy equal to or greater than Ec is: 9.6.3 Calculation of q In 1909, Max Trautz had introduced fraction of reactive collision (q) to solve this great discrepancy. §9.6 Rate Theories of elementary reaction