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Q. If a homogeneous catalytic reaction can take place through three alternative paths as depicted below, the catalytic efficiency of P, Q, R representing the relative case would beChemistry Question Image

Chemical Kinetics

Solution:

The catalytic efficiency of a catalyst is measured in terms of the decrease in activation energy of the reaction. A catalyst is more efficient if it decreases the $E_{act}$ to a larger extent. Thus correct order for catalytic efficiency is $R > Q > P$.