Question 1

Draw the most stable conformer of trans-1-ethyl-4-methylcyclohexane.

Accepted Answer

The answer of Draw the most stable conformer of trans-1-ethyl-4-methylcyclohexane....

Question 2

Provide an acceptable name for the alkane shown below.

Accepted Answer

The answer of Provide an acceptable name for the alkane...

Question 3

Acetone has higher boiling point than propane because

Accepted Answer

A) double bond in acetone is hard to break. 
B) acetone has higher molecular weight. 
C) acetone exhibits dipole-dipole interactions which are stronger than van der Waal's interactions in propane. 
D) acetone exhibit hydrogen bonding which is stronger than van der Waal's interactions in propane. 
E) acetone has higher surface area. 
A) double bond in acetone is hard to break. 
B) acetone has higher molecular weight. 
C) acetone exhibits dipole-dipole interactions which are stronger than van der Waal's interactions in propane. 
D) acetone exhibit hydrogen bonding which is stronger than van der Waal's interactions in propane. 
E) acetone has higher surface area.

Question 4

Provide an acceptable name for the alkane shown below.

Accepted Answer

2,2,3,6-te

Question 5

Which of the following has the greatest solubility in CH3CH2CH2CH3?

Accepted Answer

A) CH3OH 
B) CH3O- Na+ 
C) CH3NH2 
D) CH3OCH3 
E) (CH3)3CH 
A) CH3OH 
B) CH3O- Na+ 
C) CH3NH2 
D) CH3OCH3 
E) (CH3)3CH

Question 6

Draw a Newman projection of the most stable conformation of 2-methylpropane.

Accepted Answer

The answer of Draw a Newman projection of the most...

Question 7

Which of the following has two equatorial alkyl substituents in its most stable conformation?

Accepted Answer

A) 1,1-dimethylcyclohexane 
B) cis-1,2-dimethylcyclohexane 
C) cis-1,3-diethylcyclohexane 
D) cis-1,4-diethylcyclohexane 
E) trans-1,3-diethylcyclohexane 
A) 1,1-dimethylcyclohexane 
B) cis-1,2-dimethylcyclohexane 
C) cis-1,3-diethylcyclohexane 
D) cis-1,4-diethylcyclohexane 
E) trans-1,3-diethylcyclohexane

Question 8

Provide an acceptable name for the alkane shown below.

Accepted Answer

3-ethyl-6-

Question 9

Among the butane conformers,which occur at energy minima on a graph of potential energy versus dihedral angle?

Accepted Answer

A) gauche only 
B) eclipsed and totally eclipsed 
C) gauche and anti 
D) eclipsed only 
E) anti only 
A) gauche only 
B) eclipsed and totally eclipsed 
C) gauche and anti 
D) eclipsed only 
E) anti only

Question 10

There is something wrong with the following name.Write the structure and correct the name: 2-ethylpropane.

Accepted Answer

The correc

Question 11

Identify the compound with the highest bond angle.

Accepted Answer

A) the C-O-C bond in an ether 
B) the C-N-C bond in a secondary amine 
C) the C-N-C bond in a quaternary amine 
D) the C-O-C bond in an alcohol 
E) They are all equal. 
A) the C-O-C bond in an ether 
B) the C-N-C bond in a secondary amine 
C) the C-N-C bond in a quaternary amine 
D) the C-O-C bond in an alcohol 
E) They are all equal.

Question 12

What is the common name for the following structure?

Accepted Answer

A) isobutyl bromide 
B) t-Butyl bromide 
C) neobutyl bromide 
D) sec-Butyl bromide 
E) isopropyl methyl bromide 
A) isobutyl bromide 
B) t-Butyl bromide 
C) neobutyl bromide 
D) sec-Butyl bromide 
E) isopropyl methyl bromide

Question 13

Draw all ethers with molecular formula C4H10O.

Accepted Answer

Question 14

What aspect of the fused ring systems present in cholesterol make it an ideal compound to lend rigidity to cell membranes?

Accepted Answer

The trans-fused ring systems p

Question 15

Provide an acceptable name for the compound shown below.

Accepted Answer

N-ethyl-2-

Question 16

Which compound is more soluble in water? Briefly explain your choice.
CH3OCH3 or CH3CH2OH

Accepted Answer

CH₃CH₂OH is more soluble in water since it

Exam 3: An Introduction to Organic Compounds: Nomenclature, physical Properties, and Structure

Draw the most stable conformer of trans-1-ethyl-4-methylcyclohexane.

Provide an acceptable name for the alkane shown below.

Acetone has higher boiling point than propane because

Provide an acceptable name for the alkane shown below.

Which of the following has the greatest solubility in CH3CH2CH2CH3?

Draw a Newman projection of the most stable conformation of 2-methylpropane.

Which of the following has two equatorial alkyl substituents in its most stable conformation?

Provide an acceptable name for the alkane shown below.

Among the butane conformers,which occur at energy minima on a graph of potential energy versus dihedral angle?

There is something wrong with the following name.Write the structure and correct the name: 2-ethylpropane.

Identify the compound with the highest bond angle.

What is the common name for the following structure?

Draw all ethers with molecular formula C4H10O.

What aspect of the fused ring systems present in cholesterol make it an ideal compound to lend rigidity to cell membranes?

Provide an acceptable name for the compound shown below.

Which compound is more soluble in water? Briefly explain your choice. CH3OCH3 or CH3CH2OH

Remembering General Chemistry: Electronic Structure and Bonding

Acids and Bases: Central to Understanding Organic Chemistry

Isomers: the Arrangement of Atoms in Space

Alkenes: Structure,nomenclature,and an Introduction to Reactivity - Thermodynamics and Kinetics

The Reactions of Alkenes - the Stereochemistry of Addition Reactions

The Reactions of Alkynes - Introduction to Multistep Synthesis

Delocalized Electrons: Their Effect on Stability, pka, and the Products of a Reaction - Aromaticity and Electronic Effects: an Introduction to the Reactions of Benzene

Substitution and Elimination Reactions of Alkyl Halides

Reactions of Alcohols, ethers, epoxides, amines and Sulfur-Containing Compounds

Organometallic Compounds

Radicals

Mass Spectrometry,infrared Spectroscopy,and Uvvis Spectroscopy

Nmr Spectroscopy

Reactions of Carboxylic Acids and Carboxylic Acid Derivatives

Reactions of Aldehydes and Ketones

Reactions at the Α-Carbon

Reactions of Benzene and Substituted Benzenes

More About Amines - Reactions of Heterocylic Compounds

The Organic Chemistry of Carbohydrates

Amino Acids,peptides,and Proteins

Catalysis in Organic Reactions and in Enzymatic Reactions

The Organic Chemistry of the Coenzymes, compounds Derived From Vitamins

The Organic Chemistry of the Metabolic Pathways

The Organic Chemistry of Lipids

The Chemistry of the Nucleic Acids

Synthetic Polymers

Pericyclic Reactions

Filters

Which of the following has the greatest solubility in CH₃CH₂CH₂CH₃?

Draw all ethers with molecular formula C₄H₁₀O.

Which compound is more soluble in water? Briefly explain your choice. CH₃OCH₃ or CH₃CH₂OH