Which of the following statements regarding complexometric titrations is incorrect O The lower the formation constant for the EDTA-metal complex, the sharper the endpoint O The higher the ammonia concentration, the sharper the end point for the EDTA-Ca2+ complex. EDTA Contains two basic nitro gen
Which of the following statements regarding complexometric titrations is incorrect O The lower the formation constant for the EDTA-metal complex, the sharper the endpoint O The higher the ammonia concentration, the sharper the end point for the EDTA-Ca2+ complex. EDTA Contains two basic nitro gen
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Which of the following statements
regarding complexometric titrations
is incorrect
O The lower the formation constant
for the EDTA-metal complex, the
sharper the endpoint
O The higher the ammonia
concentration, the sharper the end
point for the
EDTA-Ca2* complex.
EDTA contains two basic nitrogens
O In the pH range 3-10 the
predominant species are H2Y²¯ and
HY3-
O a4 value is proportional to the pH
value
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