Interpretation:
An energy diagram for a two step reaction in which both steps are exergonic and in which the second step has a higher energy transition state than the first is to be drawn and the parts of the diagram corresponding to reactant, product, intermediate, overall ΔG# and overall ΔG0 are to be labeled.
Concept introduction:
Energy diagrams are used to depict graphically the energy changes that occur during a reaction. The vertical axis of the diagram represents the energy of all the reactants and the horizontal axis, called reaction progress, represents the progress of the reaction from beginning to end. The reactants are shown in left and the products in the right. The transition state represents the highest energy structure involved in the particular step reaction. The overall ΔG# is the energy difference between the reactants and highest transition state and overall ΔG0 is the free energy difference between the reactants and products. Every step in a reaction has a separate energy diagram.
To draw:
An energy diagram for a two step reaction in which both steps are exergonic and in which the second step has a higher energy transition state than the first and further to label the parts of the diagram corresponding to reactant, product, intermediate, overall ΔG# and overall ΔG0.
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