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Questions and Answers
What is a characteristic of a reagent used in a titration?
What is the term for the reaction of a metal ion with a chemical agent to form a complex?
What is the role of the metal in a metal-ligand complex?
What is the term for the ligands used in complexometric titrations?
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What type of reaction is involved in complexation titrations?
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What is the nature of the titration of a metal ion with EDTA?
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What is the number of distinct regions in an EDTA titration curve?
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What is the relation between pM and [Mn+]?
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What is the value of Ve at the equivalence point?
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What is the condition before the equivalence point in an EDTA titration?
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What is the assumption made about the dissociation of MYn-4 before the equivalence point?
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What is the concentration of excess EDTA after the equivalence point?
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What is the concentration of MgY2- after the equivalence point?
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What is the value of Kf in the equilibrium expression for Mg2+ and EDTA?
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What is the concentration of Mg2+ after the equivalence point?
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Why is the equivalence point sharper for Zn2+ compared to Mg2+?
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What is the term that describes the completeness of the reaction between Mg2+ and EDTA?
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What is the effect of increasing pH on the Kf of a metal ion with EDTA?
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What is the purpose of adding an auxiliary complexing agent in EDTA titration?
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What is the effect of adding ammonia buffer to a CuSO4 solution?
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What happens when EDTA is added to a Cu-ammonia complex?
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What is the purpose of a conditional formation constant in EDTA titration?
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How many methods are there to determine the end point of an EDTA titration?
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What is the purpose of adding an auxiliary complexing agent in direct titrations?
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In back titrations, what is done with the remaining excess of EDTA?
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What is the condition required for a displacement titration to work?
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What is the purpose of using Mg(EDTA)2- in displacement titrations?
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What is the advantage of indirect titrations?
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What is the relationship between the amount of Mg2+ released and the concentration of Mn+ in displacement titrations?
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