The reaction between chloroethane (C2H5Cl) and water to form ethanol and HCl in…

CHEMISTRY · Multi-part · AP · Chemistry · Kinetics · Kinetics

Problem

The reaction between chloroethane (C2H5Cl) and water to form ethanol and HCl in aqueous solution proceeds very slowly at 298 K. Addition of a trace amount of silver ion, Ag+, greatly accelerates the reaction. A simplified mechanism is proposed: (a) Derive an expression for the overall rate of ethanol formation in terms of k2, K1, [C2H5Cl], and the total dissolved concentration of silver species, [Ag+]total. Clearly state any steady-state or other kinetic assumptions you invoke. (b) Using your derived rate law, predict quantitatively how the observed initial rate will change if [Ag+]total is doubled while all other conditions remain the same. (c) Discuss two experimental observations you would expect if the regeneration of Ag+ were incomplete, leading to a gradual net decrease in dissolved Ag+ concentration over time.

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