Multiple Choice
EDTA is a hexadentate ligand containing four carboxylic acid groups and two amines.Which is true for the acid-base properties of EDTA?
I EDTA is a hexaprotic system,H6Y2+,when the amines are protonated.
II Neutral EDTA,H4Y,is tetraprotic when the amines are not protonated.
III Deprotonated EDTA,Y4−,is the only form of EDTA that binds to metal cations.
IV The fraction of EDTA in any of the six EDTA species is pH dependent.
A) III and IV
B) I and II
C) I,III,and IV
D) II,III,and IV
E) I,II,and IV
Correct Answer:
Verified
Correct Answer:
Verified
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