Question

2. EDTA is one of the common reagents used in a complexometric titration. a. Can we use EDTA titrations to determine th...


2. EDTA is one of the common reagents used in a complexometric titration.

a. Can we use EDTA titrations to determine the concentration of halides in a sample? Give reason for your answer.

b. Why is EDTA used to determine concentration of a metal ion ina solution.

c. Why is Erichrome black -T used as the indicator in EDTA titrations ?

d. Explain hardness of water. Why is it usually expressed in terms of Ca2+ ions?

Answer

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