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7. EDTA is considered as a hexadentate molecule. 8. The metal ions which are determined by direct titration with EDTA are Calcium, Magnesium and Zinc. 9. The equilibrium constant of the reaction applied to soluble complex formed is called a solubility product constant. 10. The sum of oxidation number values of all the atoms in a molecule or formula unit of a compound is equal to zero. 11. The higher is the Ks the more stable is the complex formed.

7. EDTA is considered as a hexadentate molecule. 8. The metal ions which are determined by direct titration with EDTA are Calcium, Magnesium and Zinc. 9. The equilibrium constant of the reaction applied to soluble complex formed is called a solubility product constant. 10. The sum of oxidation number values of all the atoms in a molecule or formula unit of a compound is equal to zero. 11. The higher is the Ks the more stable is the complex formed.

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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Answer 7-11 only and give the correct answer.

State if it is True or false.

1. Redox is a process in which a proton transfer takes place. 2. The color of ferric thiocyanate precipitate is yellow. 3. Group 1A has a valence of +2. 4. For atoms in its elemental form has an oxidation number of zero. 5. Fluorine has an oxidation number of -1. 6. NH4F can be used to inactivate, mask or screen metals such as Co, Ni. Cu and Zn 7. EDTA is considered as a hexadentate molecule. 8. The metal ions which oare determined by direct titration with EDTA are Calcium, Magnesium and Zinc. 9. The equilibrium constant of the reaction applied to soluble complex formed is called a solubility product constant. 10. The sum of oxidation number values of all the atoms in a molecule or formula unit of a compound is equal to zero. 11. The higher is the Ks the more stable is the complex formed. CS Scanned with CamScanner
Transcribed Image Text:1. Redox is a process in which a proton transfer takes place. 2. The color of ferric thiocyanate precipitate is yellow. 3. Group 1A has a valence of +2. 4. For atoms in its elemental form has an oxidation number of zero. 5. Fluorine has an oxidation number of -1. 6. NH4F can be used to inactivate, mask or screen metals such as Co, Ni. Cu and Zn 7. EDTA is considered as a hexadentate molecule. 8. The metal ions which oare determined by direct titration with EDTA are Calcium, Magnesium and Zinc. 9. The equilibrium constant of the reaction applied to soluble complex formed is called a solubility product constant. 10. The sum of oxidation number values of all the atoms in a molecule or formula unit of a compound is equal to zero. 11. The higher is the Ks the more stable is the complex formed. CS Scanned with CamScanner
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