a) Interpretation: How to prepare 4-methylpentan-2-one from 4-methyl-3-pentene-2-one is to be shown. Concept introduction: The double bond in an unsaturated ketone is to be reduced without affecting the carbonyl group. This reduction can be carried out using H 2 /Pd. To show: How to prepare 4-methylpentan-2-one from 4-methyl-3-pentene-2-one.

Question

Reagan is doing an atomic absorption experiment that requires a set of zinc standards in the 0.4-1.6 ppm range. A 1000 ppm Zn solution was prepared by dissolving the necessary amount of solid Zn(NO3)2 in water. The standards can be prepared by diluting the 1000 ppm Zn solution. Table 1 shows one possible set of serial dilutions (stepwise dilution of a solution) that Reagan could perform to make the necessary standards. Solution A was prepared by diluting 5.00 ml of the 1000 ppm Zn standard to 50.00 ml. Solutions C-E are called "calibration standards" because they will be used to calibrate the atomic absorption spectrometer. a. Compare the solution concentrations expressed as ppm Zn and ppm Zn(NO3)2. Compare the concentrations expressed as M Zn and M Zn(NO3)2 - Which units allow easy conversion between chemical species (e.g. Zn and Zn(NO3)2)? - Which units express concentrations in numbers with easily expressed magnitudes? - Suppose you have an analyte for which you don't know the molar…

Answer 1

Question

Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 19.9, Problem 13P

Interpretation Introduction

a)

Interpretation:

How to prepare 4-methylpentan-2-one from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The double bond in an unsaturated ketone is to be reduced without affecting the carbonyl group. This reduction can be carried out using H₂/Pd.

To show:

How to prepare 4-methylpentan-2-one from 4-methyl-3-pentene-2-one.

Interpretation Introduction

b)

Interpretation:

How to prepare 2-methylpent-2-ene from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The carbonyl group in a unsaturated ketone can be reduced to –CH₂ without affecting the double bond by treating it with hydrazine in the presence of KOH (Wolf-Kishner reduction).

To show:

How to prepare 2-methylpent-2-ene from 4-methyl-3-pentene-2-one.

Interpretation Introduction

c)

Interpretation:

How to prepare 2-methylpentane from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The double bond in an unsaturated ketone is reduced without affecting the carbonyl group by treating it with H₂/Pd. The carbonyl group of the saturated ketone formed can be converted to –CH₂ group by Wolff-Kishner reduction.

To show:

How to prepare 2-methylpentane from 4-methyl-3-pentene-2-one.

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Reagan is doing an atomic absorption experiment that requires a set of zinc standards in the 0.4-1.6 ppm range. A 1000 ppm Zn solution was prepared by dissolving the necessary amount of solid Zn(NO3)2 in water. The standards can be prepared by diluting the 1000 ppm Zn solution. Table 1 shows one possible set of serial dilutions (stepwise dilution of a solution) that Reagan could perform to make the necessary standards. Solution A was prepared by diluting 5.00 ml of the 1000 ppm Zn standard to 50.00 ml. Solutions C-E are called "calibration standards" because they will be used to calibrate the atomic absorption spectrometer. a. Compare the solution concentrations expressed as ppm Zn and ppm Zn(NO3)2. Compare the concentrations expressed as M Zn and M Zn(NO3)2 - Which units allow easy conversion between chemical species (e.g. Zn and Zn(NO3)2)? - Which units express concentrations in numbers with easily expressed magnitudes? - Suppose you have an analyte for which you don't know the molar…

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How will you prepare the following buffers? 2.5 L of 1.5M buffer, pH = 10.5 from NH4Cl and NH3

Answer 2

Question

Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 19.9, Problem 13P

Interpretation Introduction

a)

Interpretation:

How to prepare 4-methylpentan-2-one from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The double bond in an unsaturated ketone is to be reduced without affecting the carbonyl group. This reduction can be carried out using H₂/Pd.

To show:

How to prepare 4-methylpentan-2-one from 4-methyl-3-pentene-2-one.

Interpretation Introduction

b)

Interpretation:

How to prepare 2-methylpent-2-ene from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The carbonyl group in a unsaturated ketone can be reduced to –CH₂ without affecting the double bond by treating it with hydrazine in the presence of KOH (Wolf-Kishner reduction).

To show:

How to prepare 2-methylpent-2-ene from 4-methyl-3-pentene-2-one.

Interpretation Introduction

c)

Interpretation:

How to prepare 2-methylpentane from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The double bond in an unsaturated ketone is reduced without affecting the carbonyl group by treating it with H₂/Pd. The carbonyl group of the saturated ketone formed can be converted to –CH₂ group by Wolff-Kishner reduction.

To show:

How to prepare 2-methylpentane from 4-methyl-3-pentene-2-one.

Expert Solution & Answer

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Answer 3

Question

Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 19.9, Problem 13P

Interpretation Introduction

a)

Interpretation:

How to prepare 4-methylpentan-2-one from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The double bond in an unsaturated ketone is to be reduced without affecting the carbonyl group. This reduction can be carried out using H₂/Pd.

To show:

How to prepare 4-methylpentan-2-one from 4-methyl-3-pentene-2-one.

Interpretation Introduction

b)

Interpretation:

How to prepare 2-methylpent-2-ene from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The carbonyl group in a unsaturated ketone can be reduced to –CH₂ without affecting the double bond by treating it with hydrazine in the presence of KOH (Wolf-Kishner reduction).

To show:

How to prepare 2-methylpent-2-ene from 4-methyl-3-pentene-2-one.

Interpretation Introduction

c)

Interpretation:

How to prepare 2-methylpentane from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The double bond in an unsaturated ketone is reduced without affecting the carbonyl group by treating it with H₂/Pd. The carbonyl group of the saturated ketone formed can be converted to –CH₂ group by Wolff-Kishner reduction.

To show:

How to prepare 2-methylpentane from 4-methyl-3-pentene-2-one.

Expert Solution & Answer

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Answer 4

Question

Definition Definition Organic compounds that have a carbonyl group, C = O, as their functional group. The carbonyl group in ketones is placed somewhere in the middle of the molecular structure, which means, the C=O is attached to two alkyl groups or benzene rings. Just like all other homologous series, the naming of ketones is done using a common suffix “-one”. The general molecular formula is C n H 2n O. Functional group of a ketone

Chapter 19.9, Problem 13P

Interpretation Introduction

a)

Interpretation:

How to prepare 4-methylpentan-2-one from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The double bond in an unsaturated ketone is to be reduced without affecting the carbonyl group. This reduction can be carried out using H₂/Pd.

To show:

How to prepare 4-methylpentan-2-one from 4-methyl-3-pentene-2-one.

Interpretation Introduction

b)

Interpretation:

How to prepare 2-methylpent-2-ene from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The carbonyl group in a unsaturated ketone can be reduced to –CH₂ without affecting the double bond by treating it with hydrazine in the presence of KOH (Wolf-Kishner reduction).

To show:

How to prepare 2-methylpent-2-ene from 4-methyl-3-pentene-2-one.

Interpretation Introduction

c)

Interpretation:

How to prepare 2-methylpentane from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The double bond in an unsaturated ketone is reduced without affecting the carbonyl group by treating it with H₂/Pd. The carbonyl group of the saturated ketone formed can be converted to –CH₂ group by Wolff-Kishner reduction.

To show:

How to prepare 2-methylpentane from 4-methyl-3-pentene-2-one.

Expert Solution & Answer

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Answer 5

Chapter 19.9, Problem 13P

Interpretation Introduction

a)

Interpretation:

How to prepare 4-methylpentan-2-one from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The double bond in an unsaturated ketone is to be reduced without affecting the carbonyl group. This reduction can be carried out using H₂/Pd.

To show:

How to prepare 4-methylpentan-2-one from 4-methyl-3-pentene-2-one.

Interpretation Introduction

b)

Interpretation:

How to prepare 2-methylpent-2-ene from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The carbonyl group in a unsaturated ketone can be reduced to –CH₂ without affecting the double bond by treating it with hydrazine in the presence of KOH (Wolf-Kishner reduction).

To show:

How to prepare 2-methylpent-2-ene from 4-methyl-3-pentene-2-one.

Interpretation Introduction

c)

Interpretation:

How to prepare 2-methylpentane from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The double bond in an unsaturated ketone is reduced without affecting the carbonyl group by treating it with H₂/Pd. The carbonyl group of the saturated ketone formed can be converted to –CH₂ group by Wolff-Kishner reduction.

To show:

How to prepare 2-methylpentane from 4-methyl-3-pentene-2-one.

Answer 6

Chapter 19.9, Problem 13P

Interpretation Introduction

a)

Interpretation:

How to prepare 4-methylpentan-2-one from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The double bond in an unsaturated ketone is to be reduced without affecting the carbonyl group. This reduction can be carried out using H₂/Pd.

To show:

How to prepare 4-methylpentan-2-one from 4-methyl-3-pentene-2-one.

Answer 7

Chapter 19.9, Problem 13P

Interpretation Introduction

a)

Interpretation:

How to prepare 4-methylpentan-2-one from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The double bond in an unsaturated ketone is to be reduced without affecting the carbonyl group. This reduction can be carried out using H₂/Pd.

To show:

How to prepare 4-methylpentan-2-one from 4-methyl-3-pentene-2-one.

Answer 8

Interpretation Introduction

b)

Interpretation:

How to prepare 2-methylpent-2-ene from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The carbonyl group in a unsaturated ketone can be reduced to –CH₂ without affecting the double bond by treating it with hydrazine in the presence of KOH (Wolf-Kishner reduction).

To show:

How to prepare 2-methylpent-2-ene from 4-methyl-3-pentene-2-one.

Answer 9

Interpretation Introduction

b)

Interpretation:

How to prepare 2-methylpent-2-ene from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The carbonyl group in a unsaturated ketone can be reduced to –CH₂ without affecting the double bond by treating it with hydrazine in the presence of KOH (Wolf-Kishner reduction).

To show:

How to prepare 2-methylpent-2-ene from 4-methyl-3-pentene-2-one.

Answer 10

Interpretation Introduction

c)

Interpretation:

How to prepare 2-methylpentane from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The double bond in an unsaturated ketone is reduced without affecting the carbonyl group by treating it with H₂/Pd. The carbonyl group of the saturated ketone formed can be converted to –CH₂ group by Wolff-Kishner reduction.

To show:

How to prepare 2-methylpentane from 4-methyl-3-pentene-2-one.

Answer 11

Interpretation Introduction

c)

Interpretation:

How to prepare 2-methylpentane from 4-methyl-3-pentene-2-one is to be shown.

Concept introduction:

The double bond in an unsaturated ketone is reduced without affecting the carbonyl group by treating it with H₂/Pd. The carbonyl group of the saturated ketone formed can be converted to –CH₂ group by Wolff-Kishner reduction.

To show:

How to prepare 2-methylpentane from 4-methyl-3-pentene-2-one.

Answer 12

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Answer 13

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Answer 14

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Answer 19

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Answer 23

Ch. 19.1 - Prob. 1P Ch. 19.1 - Draw structures corresponding to the following...Ch. 19.2 - Prob. 3P Ch. 19.2 - How would you carry out the following reactions?...Ch. 19.4 - Treatment of an aldehyde or ketone with cyanide...Ch. 19.4 - p-Nitrobenzaldehyde is more reactive toward...Ch. 19.5 - Prob. 7P Ch. 19.5 - The oxygen in water is primarily (99.8) 16O, but...Ch. 19.6 - Prob. 9P Ch. 19.8 - Show the products you would obtain by...

Solution Summary: The author explains how the double bond in an unsaturated ketone is reduced without affecting the carbonyl group by treating it with H 2 /Pd.

Chapter 19 Solutions