Which of the following statements regarding complexometric titrations is incorrectO In the pH range 3-10 the predominant species are H,Y and HYO EDTA contains two basio nitrogensO The higher the ammonia concentration, the sharper the end point for theEDTA-Ca complex.O The lower the formation constant for the EDTA-metal complex, the sharper the endpointO aq value is proportional to the pH value

The "larger the formation constant" for the EDTA-metal complex, the sharper the end point.

Answered: Which of the following statements…

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Which of the following statements regarding complexometric titrations is incorrect

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter21: Potentiometry

Section: Chapter Questions

Problem 21.25QAP

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Question

Which of the following statements regarding complexometric titrations is incorrect
O In the pH range 3-10 the predominant species are H,Y and HY
O EDTA contains two basio nitrogens
O The higher the ammonia concentration, the sharper the end point for the
EDTA-Ca complex.
O The lower the formation constant for the EDTA-metal complex, the sharper the endpoint
O aq value is proportional to the pH value

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