The effect of increasing the concentration of hydrogen peroxide on the reaction rate of its decomposition catalyzed by the catalase enzyme can be explained using the enzyme kinetics principles.Catalase is an enzyme that catalyzes the decomposition of hydrogen peroxide H2O2 into water H2O and oxygen O2 . The reaction can be represented as follows:2 H2O2 2 H2O + O2As the concentration of hydrogen peroxide increases, the reaction rate will initially increase as well. This is because there are more substrate molecules H2O2 available for the catalase enzyme to bind to and convert into products. This increase in substrate concentration leads to a higher probability of enzyme-substrate collisions, resulting in a faster reaction rate.However, as the concentration of hydrogen peroxide continues to increase, there will come a point where the reaction rate will no longer increase significantly. This is because the catalase enzyme becomes saturated with substrate molecules, meaning that all of its active sites are occupied by hydrogen peroxide molecules. At this point, the reaction rate reaches its maximum velocity Vmax , and any further increase in substrate concentration will not lead to a significant increase in the reaction rate.In summary, increasing the concentration of hydrogen peroxide will initially increase the reaction rate of its decomposition catalyzed by the catalase enzyme. However, once the enzyme becomes saturated with substrate molecules, the reaction rate will reach its maximum velocity and will no longer increase significantly with further increases in substrate concentration.