WIte A if the statement is correct, B if the statement is wrong. 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 A7. EDTA is considered as a hexadentate molecule. A 08. The metal ions which are determined by direct titration with EDTA are Calcium, Magnesium A9. The equilibrium constant of the reaction applied to soluble complex formed is called a solu A10. The sum of oxidation number values of all the atoms in a molecule or formula unit of a cor Al1. The higher is the Ks the more stable is the complex formed.

WIte A if the statement is correct, B if the statement is wrong. 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 A7. EDTA is considered as a hexadentate molecule. A 08. The metal ions which are determined by direct titration with EDTA are Calcium, Magnesium A9. The equilibrium constant of the reaction applied to soluble complex formed is called a solu A10. The sum of oxidation number values of all the atoms in a molecule or formula unit of a cor Al1. The higher is the Ks the more stable is the complex formed.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter3: Chemical Reactions

Section: Chapter Questions

Problem 3.BCP

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Concept explainers

UV Visible Spectroscopy

Spectroscopy refers to the absorption or emission of light or other radiations by matter. When a substance or chemical absorbs light or radiation, they reach an excited state followed by de-excitation or emission of the light or radiation forming distinct spectra. UV-visible spectroscopy or ultraviolet-visible refers to the absorption and emission in the ultraviolet and visible regions of the electromagnetic spectrum.

Question

Answer number 1,2,3,4,6 only.

True or false

CS Scanned with CamScanner
Directions:
Write A if the statement is correct, B if the statement is wrong.
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. A
08. The metal ions which are determined by direct titration with EDTA are Calcium, Magnesium and i
9. The equilibrium constant of the reaction applied to soluble complex formed is called a solubility pi
10. The sum of oxidation number values of all the atoms in a molecule or formula unit of a compount
ATI. The higher is the Ks the more stable is the complex formed.

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