2-Chloro-2-mcthylpropane reacts with water in three steps to yield 2-methyl- 2-propanol. The first step is slower than the second, which in turn is much slower than the third. The reaction takes place slowly at room temperature, and the equilibrium constant is near 1.

(a) Give approximate values for ΔG⁺⁺ and ΔG° that are consistent with the above information.

(b) Draw an energy diagram for the reaction, labeling all points of interest and making sure that the relative energy levels on the diagram are consistent with the information given.

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CHз H3C- CHз CHз Нас --о CHз Н CHа н H30* + НаС —с —о—н CH3 H30 НаС—с —сі H20 сг CHз CHз 2-Methyl-2-propanol 2-Chloro-2- methylpropane