Cysteine is an amino acid with S as the donor atom. It forms complexes with Fe2+, Hg2+, Mg2+, and Zn2*. Which set of pKf assignments is CORRECT for the formation of complexes of these metals with cysteine? Fe-complex Hg-complex Mg-complex Zn-complex Set A pKf = 6.2 pKf = 14.4 pKf = <4 pKf = 9.8 Set B pKf = 14.4 pKf = <4 pKf = 6.2 pKf = 9.8 Set C pKf = 6.2 pKf = 9.8 pKf = <4 pKf = 14.4 Set D pKf = 6.2 pKf = <4 pKf =14.4 pKf = 9.8 A. Set A B. Set B C. Set C D. Set D
Cysteine is an amino acid with S as the donor atom. It forms complexes with Fe2+, Hg2+, Mg2+, and Zn2*. Which set of pKf assignments is CORRECT for the formation of complexes of these metals with cysteine? Fe-complex Hg-complex Mg-complex Zn-complex Set A pKf = 6.2 pKf = 14.4 pKf = <4 pKf = 9.8 Set B pKf = 14.4 pKf = <4 pKf = 6.2 pKf = 9.8 Set C pKf = 6.2 pKf = 9.8 pKf = <4 pKf = 14.4 Set D pKf = 6.2 pKf = <4 pKf =14.4 pKf = 9.8 A. Set A B. Set B C. Set C D. Set D
Chapter11: Dynamic Electrochemistry
Section: Chapter Questions
Problem 8P
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Transcribed Image Text:Cysteine is an amino acid with S as the donor atom. It forms complexes with Fe2*,
Hg2+, Mg2+, and Zn2+. Which set of pKf assignments is CORRECT for the formation
of complexes of these metals with cysteine?
Fe-complex
Hg-complex
Mg-complex
Zn-complex
Set A
pKf = 6.2
pKf = 14.4
pKf = <4
pKf = 9.8
%D
%D
%D
Set B
pKf = 14.4
pKf = <4
pKf = 6.2
pKf = 9.8
%3D
Set C
pKf = 6.2
pKf = 9.8
pKf = <4
pKf = 14.4
%3D
Set D
pKf = 6.2
pKf = <4
pKf =14.4
pKf = 9.8
A. Set A
B. Set B
C. Set C
D. Set D
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