試題詳解

20. Ethylenediaminetetraacetic acid (EDTA) is:
(A) not useful as a chelating agent.
(B) an effective antidote for heavy metal poisoning (e.g. Pb^2- and Hg^2- ).
(C) a monodentate ligand.
(D) known to form unstable complex ions with Fe^3-. Hg^2-, and Zn^2-,
(E) known to form complexes with platinums that inhibit the growth of cancerous cells.