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Which of the following statements regarding complexometric titrations is ? incorrect

Which of the following statements regarding complexometric titrations is ? incorrect

Chemistry
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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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
Transcribed Image Text: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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In the pH range 3-10 the predominant species are H2Y2-2 and HY3-.

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