(a) Interpretation: The ligand-to-metal ratio in the product should be determined. Concept introduction: In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

Question

Deduce the IR and Raman active carbonyl vibrations for both the cis and trans isomers of L2M(CO)4 and Fe(CO)4CI has IR bands at 2167, 2126 and 1082 cm in CHCI3 solution. How would you interpret this spectrum and identify the isomer?

Answer 1

Question

Chapter 14, Problem 14.18QAP

Interpretation Introduction

(a)

Interpretation:

The ligand-to-metal ratio in the product should be determined.

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

Interpretation Introduction

(b)

Interpretation:

Average molar absorptivity of the complex and its uncertainty should be calculated.

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

Interpretation Introduction

(c)

Interpretation:

K_f for the complex should be determined

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

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Deduce the IR and Raman active carbonyl vibrations for both the cis and trans isomers of L2M(CO)4 and Fe(CO)4CI has IR bands at 2167, 2126 and 1082 cm in CHCI3 solution. How would you interpret this spectrum and identify the isomer?

Mercury(II) forms a 1:1 complex with triphenyltetrazolium chloride that exhibits an absorption maximum at 255 nm. The mercury(II) in a soil sample was extracted into an organic solvent containing an excess of TTC , and the resulting solution was diluted to 100.0 mL in a volumetric flask. Five-milliliter aliquots of the analyte solution were then transferred to six 25-mL volumetric flasks. A standard solution was then prepared that was 5*10^-6 M in . Volumes of the standard solution shown in the table were then pipetted into the volumetric flasks, and each solution was then diluted to 25.00 mL. The absorbance of each solution was measured at 255 nm in 1.00-cm quartz cells. Please solve and explain these questions: A.) Enter the given data pictured above into a spreadsheet and show the correct standard additions plot B.) Determine the slope and the intercept of the line C.)Determine the standard deviation of the slope and the intercept. D.) Calculate the concentration of Hg(II) in the…

The absorption coefficient of a glycogen-iodine complex is 0.20 at light of 450 nm. What is the concentration when the transmission is 40 % in a cuvette of 2 cm?

Answer 2

Question

Chapter 14, Problem 14.18QAP

Interpretation Introduction

(a)

Interpretation:

The ligand-to-metal ratio in the product should be determined.

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

Interpretation Introduction

(b)

Interpretation:

Average molar absorptivity of the complex and its uncertainty should be calculated.

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

Interpretation Introduction

(c)

Interpretation:

K_f for the complex should be determined

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

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Answer 3

Question

Chapter 14, Problem 14.18QAP

Interpretation Introduction

(a)

Interpretation:

The ligand-to-metal ratio in the product should be determined.

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

Interpretation Introduction

(b)

Interpretation:

Average molar absorptivity of the complex and its uncertainty should be calculated.

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

Interpretation Introduction

(c)

Interpretation:

K_f for the complex should be determined

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

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Answer 4

Question

Chapter 14, Problem 14.18QAP

Interpretation Introduction

(a)

Interpretation:

The ligand-to-metal ratio in the product should be determined.

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

Interpretation Introduction

(b)

Interpretation:

Average molar absorptivity of the complex and its uncertainty should be calculated.

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

Interpretation Introduction

(c)

Interpretation:

K_f for the complex should be determined

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

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Answer 5

Chapter 14, Problem 14.18QAP

Interpretation Introduction

(a)

Interpretation:

The ligand-to-metal ratio in the product should be determined.

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

Interpretation Introduction

(b)

Interpretation:

Average molar absorptivity of the complex and its uncertainty should be calculated.

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

Interpretation Introduction

(c)

Interpretation:

K_f for the complex should be determined

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

Answer 6

Chapter 14, Problem 14.18QAP

Interpretation Introduction

(a)

Interpretation:

The ligand-to-metal ratio in the product should be determined.

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

Answer 7

Chapter 14, Problem 14.18QAP

Interpretation Introduction

(a)

Interpretation:

The ligand-to-metal ratio in the product should be determined.

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

Answer 8

Interpretation Introduction

(b)

Interpretation:

Average molar absorptivity of the complex and its uncertainty should be calculated.

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

Answer 9

Interpretation Introduction

(b)

Interpretation:

Average molar absorptivity of the complex and its uncertainty should be calculated.

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

Answer 10

Interpretation Introduction

(c)

Interpretation:

K_f for the complex should be determined

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

Answer 11

Interpretation Introduction

(c)

Interpretation:

K_f for the complex should be determined

Concept introduction:

In the method of continuous variation, cation and ligand solutions which have same concentration are mixed in such a way that total number of moles of reactants and the total volume of each mixture are constant. But the mole ratio varies. Then the absorbance of the mixture is measured and absorbance is corrected. The corrected absorbance is plotted against volume fraction of one reactant. A maximum or a minimum occur at metal to ligand volume ratio equals to the combined ratio of metal to ligand.

Answer 12

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Solution Summary: The author explains that the ligand-to-metal ratio in the product should be determined.

Chapter 14 Solutions