Which of the followingstatements regardingcomplexometric titrations is? incorrectThe larger the formation Oconstant for the EDTA-metal complex, thesharper the endpointEDTA is a tetraprotic acid OThe higher the ammonia Oconcentration, the lesssharper the end point fortheEDTA-Zn²+ complexIn the pH range 3-10 thepredominant species isy4-ɑ4 value is proportional to Othe pH value

In the pH range 3-10 the predominant species are H2Y2-2 and HY3-.

Answered: Which of the following statements…

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Chemistry

Which of the following statements regarding complexometric titrations is ? incorrect

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter15: Equilibria Of Other Reaction Classes

Section: Chapter Questions

Problem 79E: In a titration of cyanide ion, 28.72 mL of 0.0100 M AgNO3 is added before precipitation begins. [The...

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Question

Which of the following
statements regarding
complexometric titrations is
? incorrect
The larger the formation O
constant for the EDTA-
metal complex, the
sharper the endpoint
EDTA is a tetraprotic acid O
The higher the ammonia O
concentration, the less
sharper the end point for
the
EDTA-Zn²+ complex
In the pH range 3-10 the
predominant species is
y4-
ɑ4 value is proportional to O
the pH value

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