Most stable conformation for indicated substituted cyclohexane should be identified. Concept introduction: In chair form, all the C—C—C bond angles are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

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Answer 1

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Chapter 4, Problem 34P

(a)

Interpretation Introduction

Interpretation:Most stable conformation for indicated substituted cyclohexane should be identified.

Concept introduction:In chair form, all the C—C—C bond angles are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(b)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-3-methylcyclohexanol should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(c)

Interpretation Introduction

Interpretation: Most stable conformation for cis-1-methyl-3-(1-methylethyl)cyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(d)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-1-ethyl-3-methoxycyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(d)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-1-chloro-4-(1,1-dimethylethyl)cyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

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There are 48 pairs of students in the following table. Each pair has quantitatively determined the mass of taurine in a 250 mL can of the popular energy drink marketed as “Munster” using High Performance Liquid Chromatography (HPLC). The class results are presented below: QUESTION: Calculate the measurement of uncertainty and provide the data in a spreadsheet table. Mass of Taurine (mg) Mass of Taurine (mg) (Table continued) 152.01 152.23 151.87 151.45 154.11 152.64 152.98 153.24 152.88 151.45 153.49 152.48 150.68 152.33 151.52 153.63 152.48 151.68 153.17 153.40 153.77 153.67 152.34 153.16 152.57 153.02 152.86 151.50 151.23 152.57 152.72 151.54 146.47 152.38 152.44 152.54 152.53 152.54 151.32 152.87 151.24 153.26 152.02 152.90 152.87 151.49 152.46 152.58

1. Predict the organic product(s) of the following reactions. Assume excess of reagents unless otherwise noted. a) &l BH3 •THF b) 1) NaOH 2) H3O+ solve d) ala 1) EtMgBr 2) H3O+ e) H2N سكر CuLi NH2 1) SOCI2 2) EtMgBr 3) H3O+ NC H3O+ Δ

There are 48 pairs of students in the following table. Each pair has quantitatively determined the mass of taurine in a 250 mL can of the popular energy drink marketed as “Munster” using High Performance Liquid Chromatography (HPLC). The class results are presented below: QUESTION: Summarise and report these results including an indication of measurement uncertainty. In both calculation samples calculate if an outlier is present, max value, number of samples, mean, standard deviation, g (suspect), g (critical) and t (critical). Mass of Taurine (mg) Mass of Taurine (mg) (Table continued) 152.01 152.23 151.87 151.45 154.11 152.64 152.98 153.24 152.88 151.45 153.49 152.48 150.68 152.33 151.52 153.63 152.48 151.68 153.17 153.40 153.77 153.67 152.34 153.16 152.57 153.02 152.86 151.50 151.23 152.57 152.72 151.54 146.47 152.38 152.44 152.54 152.53 152.54 151.32…

Answer 2

Question

Chapter 4, Problem 34P

(a)

Interpretation Introduction

Interpretation:Most stable conformation for indicated substituted cyclohexane should be identified.

Concept introduction:In chair form, all the C—C—C bond angles are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(b)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-3-methylcyclohexanol should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(c)

Interpretation Introduction

Interpretation: Most stable conformation for cis-1-methyl-3-(1-methylethyl)cyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(d)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-1-ethyl-3-methoxycyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(d)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-1-chloro-4-(1,1-dimethylethyl)cyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

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Answer 3

Question

Chapter 4, Problem 34P

(a)

Interpretation Introduction

Interpretation:Most stable conformation for indicated substituted cyclohexane should be identified.

Concept introduction:In chair form, all the C—C—C bond angles are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(b)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-3-methylcyclohexanol should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(c)

Interpretation Introduction

Interpretation: Most stable conformation for cis-1-methyl-3-(1-methylethyl)cyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(d)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-1-ethyl-3-methoxycyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(d)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-1-chloro-4-(1,1-dimethylethyl)cyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

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Answer 4

Question

Chapter 4, Problem 34P

(a)

Interpretation Introduction

Interpretation:Most stable conformation for indicated substituted cyclohexane should be identified.

Concept introduction:In chair form, all the C—C—C bond angles are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(b)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-3-methylcyclohexanol should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(c)

Interpretation Introduction

Interpretation: Most stable conformation for cis-1-methyl-3-(1-methylethyl)cyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(d)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-1-ethyl-3-methoxycyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(d)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-1-chloro-4-(1,1-dimethylethyl)cyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

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Answer 5

Chapter 4, Problem 34P

(a)

Interpretation Introduction

Interpretation:Most stable conformation for indicated substituted cyclohexane should be identified.

Concept introduction:In chair form, all the C—C—C bond angles are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(b)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-3-methylcyclohexanol should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(c)

Interpretation Introduction

Interpretation: Most stable conformation for cis-1-methyl-3-(1-methylethyl)cyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(d)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-1-ethyl-3-methoxycyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

(d)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-1-chloro-4-(1,1-dimethylethyl)cyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

Answer 6

Chapter 4, Problem 34P

(a)

Interpretation Introduction

Interpretation:Most stable conformation for indicated substituted cyclohexane should be identified.

Concept introduction:In chair form, all the C—C—C bond angles are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

Answer 7

Chapter 4, Problem 34P

(a)

Interpretation Introduction

Interpretation:Most stable conformation for indicated substituted cyclohexane should be identified.

Concept introduction:In chair form, all the C—C—C bond angles are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

Answer 8

(b)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-3-methylcyclohexanol should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

Answer 9

(b)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-3-methylcyclohexanol should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

Answer 10

(c)

Interpretation Introduction

Interpretation: Most stable conformation for cis-1-methyl-3-(1-methylethyl)cyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

Answer 11

(c)

Interpretation Introduction

Interpretation: Most stable conformation for cis-1-methyl-3-(1-methylethyl)cyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

Answer 12

(d)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-1-ethyl-3-methoxycyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

Answer 13

(d)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-1-ethyl-3-methoxycyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

Answer 14

(d)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-1-chloro-4-(1,1-dimethylethyl)cyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

Answer 15

(d)

Interpretation Introduction

Interpretation: Most stable conformation for indicated trans-1-chloro-4-(1,1-dimethylethyl)cyclohexane should be drawn.

Concept introduction:In chair form all the C—C—C bond angle are 109.5 ° . Since this is ideal tetrahedral angle so there is no angular strain in chair form. The staggered C—H bond further allows for no amount of torsional strain. There are two kinds of hydrogens in cyclohexane namely axial and equatorial indicated as follows:

Answer 16

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Answer 17

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Answer 18

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Answer 19

Ch. 4.1 - Prob. 4.1E Ch. 4.1 - Prob. 4.3TIY Ch. 4.2 - Prob. 4.4E Ch. 4.2 - Prob. 4.6TIY Ch. 4.3 - Prob. 4.7E Ch. 4.4 - Prob. 4.8E Ch. 4.4 - Prob. 4.10TIY Ch. 4.4 - Prob. 4.11E Ch. 4.4 - Prob. 4.12E Ch. 4.4 - Prob. 4.14TIY

Solution Summary: The author explains that the most stable conformation for indicated substituted cyclohexane should be identified. The staggered C—H bond allows for no amount of torsional strain

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