- E The Following Kinetic Data Were Obtained For The Hydrolysis Of P Nitrophenyl Phosphate In The Presence Of A Zn Compl 1 (83.25 KiB) Viewed 31 times
(e) The following kinetic data were obtained for the hydrolysis of p-nitrophenyl phosphate in the presence of a Zn compl
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(e) The following kinetic data were obtained for the hydrolysis of p-nitrophenyl phosphate in the presence of a Zn compl
(e) The following kinetic data were obtained for the hydrolysis of p-nitrophenyl phosphate in the presence of a Zn complex of composition (ZnL(H2O)2]X2 (L= ligand). question continued on next page PTO pH/PD 4.1 4.4 LOXX 4.8 5.3 5.7 6.1 k[s'] H2O D20 0.94 x 10 0.80 x 10 0.99 x 100 1.09 x 10 1.20 x 10 1.31 x 10 1.65 x 10 1.51 x 10 1.90 x 10 2.10 x 10 2.19 x 10° 2.06 x 10 2.22 x 100 1.91 x 10 6.4 (i) Suggest a mechanism that is consistent with these data. Justify your answer in detail. [20 marks] (ii) Estimate the pK, values of the aqua ligands in the Zn complex. Justify your answer. [10 marks)
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