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- Draw step by step the reaction mechanism of the following reactionWhat is the effect on the rate constant and reaction rate when reaction temperature is increased? The rate constant will be greater, and the reaction rate will be higher. The rate constant will be smaller, but the reaction rate will be higher. The rate constant will be smaller, and the reaction rate will be lower.Consider the energy diagram in Figure 6. Select the correct statements. * A- This reaction proceeds through a mechanism with three transition states. B- Step 1 determines the rate of the overall reaction. C- The first reactive intermediate is more stable than the second reactive intermediate. D- This reaction proceeds through a mechanism that has three elementary steps. E- The overall reaction is endothermic