KINETICS BIMOLECULAR SURFACE CATALYSE REACTION Langmuir adsorption LANGMUIR HINSHELWOOD ELEY RIDEAL

KINETICS OF BIMOLECULAR SURFACE CATALYSED REACTION Based on Langmuir adsorption isotherm LANGMUIR HINSHELWOOD (LH) mechanism ELEY RIDEAL (EL) mechanism Graph Here, adsorbed molecules A & B undergo reaction on a surface to give product (P). CASE 1 At low p, denominator =1, CASE 2 If adsorption of A is very much stronger, denominator 1st order wrt B -1 order wrt A