The procedure for separation of hexylamine from cyclohexane using dilute HCl, aqueous NaOH and diethyl ether is to be explained.. Concept Introduction: Amines are organic derivatives of ammonia, in which hydrogen atoms are replaced by some organic compounds. On the basis of hydrogen atoms being replaced from ammonia by the organic groups, amines are of three types: primary amines ( RNH 2 ) , secondary amines ( R 2 NH ) and tertiary amines ( R 3 N ) . Amines are soluble in dilute acids.

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Answer 1

Question

Chapter 20, Problem 1PP

Interpretation Introduction

Interpretation:

The procedure for separation of hexylamine from cyclohexane using dilute HCl, aqueous NaOH and diethyl ether is to be explained..

Concept Introduction:

Amines are organic derivatives of ammonia, in which hydrogen atoms are replaced by some organic compounds.

On the basis of hydrogen atoms being replaced from ammonia by the organic groups, amines are of three types: primary amines (RNH2), secondary amines (R2NH) and tertiary amines (R3N). Amines are soluble in dilute acids.

Expert Solution & Answer

Answer to Problem 1PP

Solution: Hexylamine is soluble in dilute acids but cyclohexane is not.

Explanation of Solution

Given information: A solution of cyclohexane and hexylamine is to be separated by dilute acid, aqueous NaOH and diethyl ether.

Amines with larger number of carbon atoms are insoluble in water but they are soluble in dilute acids. Thus, by dissolving amines in acids, they can be separated easily. Amines carry a lone pair, which forms a bond with the hydrogen atoms of acids while, cyclohexane being non-polar does not interact with acids. The interaction of amines with dilute acid is shown below:

ORGANIC CHEMISTRY-ETEXT REG ACCESS , Chapter 20, Problem 1PP

The separated amines can be extracted from acid by dissolving in aqueous acid solution and then recovered by making the aqueous solution basic and extracting the amine in etheror CH2Cl2.

Conclusion

Hexylamine can be separated from cyclohexane by dissolving the amine derivative in dilute acid solution.

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Answers to the remaining 6 questions will be hand-drawn on paper and submitted as a single file upload below: Review of this week's reaction: H₂NCN (cyanamide) + CH3NHCH2COOH (sarcosine) + NaCl, NH4OH, H₂O ---> H₂NC(=NH)N(CH3)CH2COOH (creatine) Q7. Draw by hand the reaction of creatine synthesis listed above using line structures without showing the Cs and some of the Hs, but include the lone pairs of electrons wherever they apply. (4 pts) Q8. Considering the Zwitterion form of an amino acid, draw the Zwitterion form of Creatine. (2 pts) Q9. Explain with drawing why the C-N bond shown in creatine structure below can or cannot rotate. (3 pts) NH2(C=NH)-N(CH)CH2COOH This bond Q10. Draw two tautomers of creatine using line structures. (Note: this question is valid because problem Q9 is valid). (4 pts) Q11. Mechanism. After seeing and understanding the mechanism of creatine synthesis, students should be ready to understand the first half of one of the Grignard reactions presented in a past…

Answer 2

Question

Chapter 20, Problem 1PP

Interpretation Introduction

Interpretation:

The procedure for separation of hexylamine from cyclohexane using dilute HCl, aqueous NaOH and diethyl ether is to be explained..

Concept Introduction:

Amines are organic derivatives of ammonia, in which hydrogen atoms are replaced by some organic compounds.

On the basis of hydrogen atoms being replaced from ammonia by the organic groups, amines are of three types: primary amines (RNH2), secondary amines (R2NH) and tertiary amines (R3N). Amines are soluble in dilute acids.

Expert Solution & Answer

Answer to Problem 1PP

Solution: Hexylamine is soluble in dilute acids but cyclohexane is not.

Explanation of Solution

Given information: A solution of cyclohexane and hexylamine is to be separated by dilute acid, aqueous NaOH and diethyl ether.

Amines with larger number of carbon atoms are insoluble in water but they are soluble in dilute acids. Thus, by dissolving amines in acids, they can be separated easily. Amines carry a lone pair, which forms a bond with the hydrogen atoms of acids while, cyclohexane being non-polar does not interact with acids. The interaction of amines with dilute acid is shown below:

ORGANIC CHEMISTRY-ETEXT REG ACCESS , Chapter 20, Problem 1PP

The separated amines can be extracted from acid by dissolving in aqueous acid solution and then recovered by making the aqueous solution basic and extracting the amine in etheror CH2Cl2.

Conclusion

Hexylamine can be separated from cyclohexane by dissolving the amine derivative in dilute acid solution.

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Answer 3

Question

Chapter 20, Problem 1PP

Interpretation Introduction

Interpretation:

The procedure for separation of hexylamine from cyclohexane using dilute HCl, aqueous NaOH and diethyl ether is to be explained..

Concept Introduction:

Amines are organic derivatives of ammonia, in which hydrogen atoms are replaced by some organic compounds.

On the basis of hydrogen atoms being replaced from ammonia by the organic groups, amines are of three types: primary amines (RNH2), secondary amines (R2NH) and tertiary amines (R3N). Amines are soluble in dilute acids.

Expert Solution & Answer

Answer to Problem 1PP

Solution: Hexylamine is soluble in dilute acids but cyclohexane is not.

Explanation of Solution

Given information: A solution of cyclohexane and hexylamine is to be separated by dilute acid, aqueous NaOH and diethyl ether.

Amines with larger number of carbon atoms are insoluble in water but they are soluble in dilute acids. Thus, by dissolving amines in acids, they can be separated easily. Amines carry a lone pair, which forms a bond with the hydrogen atoms of acids while, cyclohexane being non-polar does not interact with acids. The interaction of amines with dilute acid is shown below:

ORGANIC CHEMISTRY-ETEXT REG ACCESS , Chapter 20, Problem 1PP

The separated amines can be extracted from acid by dissolving in aqueous acid solution and then recovered by making the aqueous solution basic and extracting the amine in etheror CH2Cl2.

Conclusion

Hexylamine can be separated from cyclohexane by dissolving the amine derivative in dilute acid solution.

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Answer 4

Question

Chapter 20, Problem 1PP

Interpretation Introduction

Interpretation:

The procedure for separation of hexylamine from cyclohexane using dilute HCl, aqueous NaOH and diethyl ether is to be explained..

Concept Introduction:

Amines are organic derivatives of ammonia, in which hydrogen atoms are replaced by some organic compounds.

On the basis of hydrogen atoms being replaced from ammonia by the organic groups, amines are of three types: primary amines (RNH2), secondary amines (R2NH) and tertiary amines (R3N). Amines are soluble in dilute acids.

Expert Solution & Answer

Answer to Problem 1PP

Solution: Hexylamine is soluble in dilute acids but cyclohexane is not.

Explanation of Solution

Given information: A solution of cyclohexane and hexylamine is to be separated by dilute acid, aqueous NaOH and diethyl ether.

Amines with larger number of carbon atoms are insoluble in water but they are soluble in dilute acids. Thus, by dissolving amines in acids, they can be separated easily. Amines carry a lone pair, which forms a bond with the hydrogen atoms of acids while, cyclohexane being non-polar does not interact with acids. The interaction of amines with dilute acid is shown below:

ORGANIC CHEMISTRY-ETEXT REG ACCESS , Chapter 20, Problem 1PP

The separated amines can be extracted from acid by dissolving in aqueous acid solution and then recovered by making the aqueous solution basic and extracting the amine in etheror CH2Cl2.

Conclusion

Hexylamine can be separated from cyclohexane by dissolving the amine derivative in dilute acid solution.

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Answer 5

Chapter 20, Problem 1PP

Interpretation Introduction

Interpretation:

The procedure for separation of hexylamine from cyclohexane using dilute HCl, aqueous NaOH and diethyl ether is to be explained..

Concept Introduction:

Amines are organic derivatives of ammonia, in which hydrogen atoms are replaced by some organic compounds.

On the basis of hydrogen atoms being replaced from ammonia by the organic groups, amines are of three types: primary amines (RNH2), secondary amines (R2NH) and tertiary amines (R3N). Amines are soluble in dilute acids.

Expert Solution & Answer

Answer to Problem 1PP

Solution: Hexylamine is soluble in dilute acids but cyclohexane is not.

Explanation of Solution

Given information: A solution of cyclohexane and hexylamine is to be separated by dilute acid, aqueous NaOH and diethyl ether.

Amines with larger number of carbon atoms are insoluble in water but they are soluble in dilute acids. Thus, by dissolving amines in acids, they can be separated easily. Amines carry a lone pair, which forms a bond with the hydrogen atoms of acids while, cyclohexane being non-polar does not interact with acids. The interaction of amines with dilute acid is shown below:

ORGANIC CHEMISTRY-ETEXT REG ACCESS , Chapter 20, Problem 1PP

The separated amines can be extracted from acid by dissolving in aqueous acid solution and then recovered by making the aqueous solution basic and extracting the amine in etheror CH2Cl2.

Conclusion

Hexylamine can be separated from cyclohexane by dissolving the amine derivative in dilute acid solution.

Answer 6

Chapter 20, Problem 1PP

Interpretation Introduction

Interpretation:

The procedure for separation of hexylamine from cyclohexane using dilute HCl, aqueous NaOH and diethyl ether is to be explained..

Concept Introduction:

Amines are organic derivatives of ammonia, in which hydrogen atoms are replaced by some organic compounds.

On the basis of hydrogen atoms being replaced from ammonia by the organic groups, amines are of three types: primary amines (RNH2), secondary amines (R2NH) and tertiary amines (R3N). Amines are soluble in dilute acids.

Expert Solution & Answer

Answer to Problem 1PP

Solution: Hexylamine is soluble in dilute acids but cyclohexane is not.

Explanation of Solution

Given information: A solution of cyclohexane and hexylamine is to be separated by dilute acid, aqueous NaOH and diethyl ether.

Amines with larger number of carbon atoms are insoluble in water but they are soluble in dilute acids. Thus, by dissolving amines in acids, they can be separated easily. Amines carry a lone pair, which forms a bond with the hydrogen atoms of acids while, cyclohexane being non-polar does not interact with acids. The interaction of amines with dilute acid is shown below:

ORGANIC CHEMISTRY-ETEXT REG ACCESS , Chapter 20, Problem 1PP

The separated amines can be extracted from acid by dissolving in aqueous acid solution and then recovered by making the aqueous solution basic and extracting the amine in etheror CH2Cl2.

Conclusion

Hexylamine can be separated from cyclohexane by dissolving the amine derivative in dilute acid solution.

Answer 7

Chapter 20, Problem 1PP

Interpretation Introduction

Interpretation:

The procedure for separation of hexylamine from cyclohexane using dilute HCl, aqueous NaOH and diethyl ether is to be explained..

Concept Introduction:

Amines are organic derivatives of ammonia, in which hydrogen atoms are replaced by some organic compounds.

On the basis of hydrogen atoms being replaced from ammonia by the organic groups, amines are of three types: primary amines (RNH2), secondary amines (R2NH) and tertiary amines (R3N). Amines are soluble in dilute acids.

Answer 8

Expert Solution & Answer

Answer to Problem 1PP

Solution: Hexylamine is soluble in dilute acids but cyclohexane is not.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Given information: A solution of cyclohexane and hexylamine is to be separated by dilute acid, aqueous NaOH and diethyl ether.

Amines with larger number of carbon atoms are insoluble in water but they are soluble in dilute acids. Thus, by dissolving amines in acids, they can be separated easily. Amines carry a lone pair, which forms a bond with the hydrogen atoms of acids while, cyclohexane being non-polar does not interact with acids. The interaction of amines with dilute acid is shown below:

ORGANIC CHEMISTRY-ETEXT REG ACCESS , Chapter 20, Problem 1PP

The separated amines can be extracted from acid by dissolving in aqueous acid solution and then recovered by making the aqueous solution basic and extracting the amine in etheror CH2Cl2.

Answer 12

Conclusion

Hexylamine can be separated from cyclohexane by dissolving the amine derivative in dilute acid solution.

Answer 13

Ch. 20 - Prob. 1PP Ch. 20 - Prob. 2PP Ch. 20 - Practice Problem 20.3 Write a mechanism that...Ch. 20 - Prob. 4PP Ch. 20 - PRACTICE PROBLEM 20.5 Outline a preparation of...Ch. 20 - Prob. 6PP Ch. 20 - Prob. 7PP Ch. 20 - Prob. 8PP Ch. 20 - Prob. 9PP Ch. 20 - Prob. 10PP

Concept explainers

Answer to Problem 1PP

Explanation of Solution

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Chapter 20 Solutions