a) Interpretation: The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed. Concept introduction: The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of hydrogen halide occurs instead of substitution. To show: The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

Question

LTS Solid: AT=Te-Ti Trial 1 Trial 2 Trial 3 Average ΔΗ Mass water, g 24.096 23.976 23.975 Moles of solid, mol 0.01763 001767 0101781 Temp. change, °C 2.9°C 11700 2.0°C Heat of reaction, J -292.37J -170.473 -193.26J AH, kJ/mole 16.58K 9.647 kJ 10.85 kr 16.58K59.64701 KJ mol 12.35k Minimum AS, J/mol K 41.582 mol-k Remember: q = mCsAT (m = mass of water, Cs=4.184J/g°C) & qsin =-qrxn & Show your calculations for: AH in J and then in kJ/mole for Trial 1: qa (24.0969)(4.1845/g) (-2.9°C)=-292.37J qsin = qrxn = 292.35 292.37J AH in J = 292.375 0.2923kJ 0.01763m01 =1.65×107 AH in kJ/mol = = 16.58K 0.01763mol mol qrx Minimum AS in J/mol K (Hint: use the average initial temperature of the three trials, con Kelvin.) AS=AHIT (1.65×10(9.64×103) + (1.0 Jimai

Answer 1

Question

Chapter 9.8, Problem 10P

Interpretation Introduction

a)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

Interpretation Introduction

b)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of a hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

Interpretation Introduction

c)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

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LTS Solid: AT=Te-Ti Trial 1 Trial 2 Trial 3 Average ΔΗ Mass water, g 24.096 23.976 23.975 Moles of solid, mol 0.01763 001767 0101781 Temp. change, °C 2.9°C 11700 2.0°C Heat of reaction, J -292.37J -170.473 -193.26J AH, kJ/mole 16.58K 9.647 kJ 10.85 kr 16.58K59.64701 KJ mol 12.35k Minimum AS, J/mol K 41.582 mol-k Remember: q = mCsAT (m = mass of water, Cs=4.184J/g°C) & qsin =-qrxn & Show your calculations for: AH in J and then in kJ/mole for Trial 1: qa (24.0969)(4.1845/g) (-2.9°C)=-292.37J qsin = qrxn = 292.35 292.37J AH in J = 292.375 0.2923kJ 0.01763m01 =1.65×107 AH in kJ/mol = = 16.58K 0.01763mol mol qrx Minimum AS in J/mol K (Hint: use the average initial temperature of the three trials, con Kelvin.) AS=AHIT (1.65×10(9.64×103) + (1.0 Jimai

For the compound: C8H17NO2 Use the following information to come up with a plausible structure: 8 This compound has "carboxylic acid amide" and ether functional groups. The peaks at 1.2ppm are two signals that are overlapping one another. One of the two signals is a doublet that represents 6 hydrogens; the other signal is a quartet that represents 3 hydrogens.

Vnk the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest bolling point, choose 2 next to the substance with the next highest boiling point, and so on. substance C D chemical symbol, chemical formula or Lewis structure. CH,-N-CH, CH, H H 10: H C-C-H H H H Cale H 10: H-C-C-N-CH, Bri CH, boiling point (C) Сен (C) B (Choose

Answer 2

Question

Chapter 9.8, Problem 10P

Interpretation Introduction

a)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

Interpretation Introduction

b)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of a hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

Interpretation Introduction

c)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

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Answer 3

Question

Chapter 9.8, Problem 10P

Interpretation Introduction

a)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

Interpretation Introduction

b)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of a hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

Interpretation Introduction

c)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

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Answer 4

Question

Chapter 9.8, Problem 10P

Interpretation Introduction

a)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

Interpretation Introduction

b)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of a hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

Interpretation Introduction

c)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

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Answer 5

Chapter 9.8, Problem 10P

Interpretation Introduction

a)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

Interpretation Introduction

b)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of a hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

Interpretation Introduction

c)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

Answer 6

Chapter 9.8, Problem 10P

Interpretation Introduction

a)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

Answer 7

Chapter 9.8, Problem 10P

Interpretation Introduction

a)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

Answer 8

Interpretation Introduction

b)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of a hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

Answer 9

Interpretation Introduction

b)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of a hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

Answer 10

Interpretation Introduction

c)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

Answer 11

Interpretation Introduction

c)

Interpretation:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained are to be shown. If two routes are possible both has to be listed.

Concept introduction:

The alkylation of alkynes is an efficient method for preparing higher alkanes. Acetylene upon alkylation gives a terminal alkyne while further alkylation of a terminal alkyne leads to the formation of an internal alkyne. The actylide anion, being nucleophilic in nature, displaces the halide ion when treated with alkyl halide and gets itself attached to the alkyl group to yield a terminal alkyne. Only primary alkyl halides can be used in the reaction because when secondary and tertiary alkyl halides are used elimination of hydrogen halide occurs instead of substitution.

To show:

The terminal alkyne and the alkyl halide from which the compound shown can be obtained. Further to list both routes if two routes are possible.

Answer 12

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Answer 23

Ch. 9.1 - Prob. 1P Ch. 9.1 - Prob. 2P Ch. 9.3 - What products would you expect from the following...Ch. 9.4 - Prob. 4P Ch. 9.4 - Prob. 5P Ch. 9.4 - Prob. 6P Ch. 9.4 - Prob. 7P Ch. 9.5 - Using any alkyne needed, how would you prepare the...Ch. 9.7 - The pKa of acetone, CH3COCH3, is 19.3. Which of...Ch. 9.8 - Prob. 10P

Solution Summary: The author explains that the alkylation method is an efficient method for preparing higher alkanes. The actylide anion, being nucleophilic, displaces the halide ion

Chapter 9 Solutions