Question 1

Pick the set of terms that correctly classifies the compound.

Accepted Answer

A) tertiary amine,primary alkyl chloride,secondary alcohol 
B) primary amine,primary alkyl chloride,secondary alcohol 
C) primary amine,primary alkyl chloride,tertiary alcohol 
D) secondary amine,primary alkyl chloride,secondary alcohol 
E) secondary amine,secondary alkyl chloride,secondary alcohol 
A) tertiary amine,primary alkyl chloride,secondary alcohol 
B) primary amine,primary alkyl chloride,secondary alcohol 
C) primary amine,primary alkyl chloride,tertiary alcohol 
D) secondary amine,primary alkyl chloride,secondary alcohol 
E) secondary amine,secondary alkyl chloride,secondary alcohol B

Question 2

4-ethyl-3,3,4-trimethylheptane could be classified as:

Accepted Answer

A) an alkane 
B) saturated 
C) aliphatic 
D) a paraffin 
E) all of these 
A) an alkane 
B) saturated 
C) aliphatic 
D) a paraffin 
E) all of these E

Question 3

To which functional group classification does the following molecule belong?

Accepted Answer

A) ester 
B) ketone 
C) alcohol 
D) carboxylic acid 
E) both b and c 
A) ester 
B) ketone 
C) alcohol 
D) carboxylic acid 
E) both b and c E

Question 4

Instructions: Match the Newman projection for the conformation of 2-methylbutane to the indicated position on the potential energy diagram.  
-  
Refer to instructions.Conformations B and C are represented by the Roman numerals _____ and _____ in the diagram,respectively.

Accepted Answer

The answer of Instructions: Match the Newman projection for the...

Question 5

One of the functional group classifications is characterized by the presence of an sp2 hybridized carbon atom.This functional group could be:

Accepted Answer

A) alkyl halide 
B) sulfide 
C) alcohol 
D) aldehyde 
E) alkyne 
A) alkyl halide 
B) sulfide 
C) alcohol 
D) aldehyde 
E) alkyne

Question 6

Which of the following Newman projections does not represent 2-methylhexane?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 7

Circle and name each functional group in the following structure.

Accepted Answer

The answer of Circle and name each functional group in...

Question 8

Instructions: Label each pair of compounds below as:

Accepted Answer

The answer of Instructions: Label each pair of compounds below...

Question 9

The most stable conformation of an alkane occurs when

Accepted Answer

A) carbon-carbon bonds are staggered and bulky groups are gauche. 
B) carbon-carbon bonds are staggered and bulky groups are anti. 
C) carbon-carbon bonds are eclipsed and bulky groups are gauche. 
D) carbon-carbon bonds are eclipsed and bulky groups are anti. 
A) carbon-carbon bonds are staggered and bulky groups are gauche. 
B) carbon-carbon bonds are staggered and bulky groups are anti. 
C) carbon-carbon bonds are eclipsed and bulky groups are gauche. 
D) carbon-carbon bonds are eclipsed and bulky groups are anti.

Question 10

Which of the following Newman projections represents the most stable conformation of 2,3-dimethylbutane?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 11

Draw the structure of a five carbon ketone containing one tertiary carbon atom.

Accepted Answer

The answer of Draw the structure of a five carbon...

Question 12

The carbon atoms within the functional group of the following classifications are:
Alkene ester carboxylic acid amide

Accepted Answer

A) sp 
B) sp2 
C) sp3 
D) sp2 and sp3 
A) sp 
B) sp2 
C) sp3 
D) sp2 and sp3

Question 13

Which hydrogen atom(s)in the following compound is (are)classified as tertiary?

Accepted Answer

A) a 
B) b 
C) c 
D) both a and c 
E) There are no tertiary hydrogen atoms. 
A) a 
B) b 
C) c 
D) both a and c 
E) There are no tertiary hydrogen atoms.

Question 14

Instructions: Consider the conformations of 2-methylbutane shown below to answer the following question(s).
-

Accepted Answer

The answer of Instructions: Consider the conformations of 2-methylbutane shown...

Question 15

4-ethyl-3,3,4-trimethylheptane contains:

Accepted Answer

A) two quaternary carbon atoms 
B) two tertiary carbon atoms 
C) four secondary carbon atoms 
D) a and c 
E) all of these 
A) two quaternary carbon atoms 
B) two tertiary carbon atoms 
C) four secondary carbon atoms 
D) a and c 
E) all of these

Question 16

Instructions: Experiments have shown that for 1,2-dichloroethane,ClCHS1U1B12S1U1B0CHS1U1B12S1U1B0Cl,in tetrachloromethane solution at 25S1U1P1$\circ$S1S1P0C,70% of the molecules are in the anti and 30% are in the gauche conformation.Use this information to answer the following question(s).

-Refer to instructions.Draw a Newman projection of the highest energy eclipsed conformation of 1,2-dichloroethane.

Accepted Answer

The answer of Instructions: Experiments have shown that for 1,2-dichloroethane,ClCHS1U1B12S1U1B0CHS1U1B12S1U1B0Cl,in...

Question 17

Among the following structures,how many different compounds are represented?

Accepted Answer

A) 5 
B) 4 
C) 3 
D) 2 
E) 1 
A) 5 
B) 4 
C) 3 
D) 2 
E) 1

Question 18

Name these groups (left to right).  
Where  
Represents the parent chain.

Accepted Answer

A) sec-propyl,sec-butyl,isobutyl 
B) isopropyl,isobutyl,sec-butyl 
C) sec-propyl,tert-butyl,isobutyl 
D) isopropyl,tert-butyl,isobutyl 
E) isopropyl,tert-butyl,sec-butyl 
A) sec-propyl,sec-butyl,isobutyl 
B) isopropyl,isobutyl,sec-butyl 
C) sec-propyl,tert-butyl,isobutyl 
D) isopropyl,tert-butyl,isobutyl 
E) isopropyl,tert-butyl,sec-butyl

Question 19

Which of the following alkanes is the most likely to be a liquid at room temperature?

Accepted Answer

A) propane 
B) butane 
C) pentane 
D) hexane 
A) propane 
B) butane 
C) pentane 
D) hexane

Question 20

Choose a correct IUPAC name for:

Accepted Answer

A) 3-methyl-l-tert-butylhexane 
B) 5-methyloctane 
C) 2,5-dimethylheptane 
D) 4,7,7-trimethyloctane 
E) none of these 
A) 3-methyl-l-tert-butylhexane 
B) 5-methyloctane 
C) 2,5-dimethylheptane 
D) 4,7,7-trimethyloctane 
E) none of these

Exam 3: Organic Compounds: Alkanes and Their Stereochemistry

Pick the set of terms that correctly classifies the compound.

4-ethyl-3,3,4-trimethylheptane could be classified as:

To which functional group classification does the following molecule belong?

Instructions: Match the Newman projection for the conformation of 2-methylbutane to the indicated position on the potential energy diagram. - Refer to instructions.Conformations B and C are represented by the Roman numerals _____ and _____ in the diagram,respectively.

One of the functional group classifications is characterized by the presence of an sp2 hybridized carbon atom.This functional group could be:

Which of the following Newman projections does not represent 2-methylhexane?

Circle and name each functional group in the following structure.

Instructions: Label each pair of compounds below as:

The most stable conformation of an alkane occurs when

Which of the following Newman projections represents the most stable conformation of 2,3-dimethylbutane?

Draw the structure of a five carbon ketone containing one tertiary carbon atom.

The carbon atoms within the functional group of the following classifications are: Alkene ester carboxylic acid amide

Which hydrogen atom(s)in the following compound is (are)classified as tertiary?

Instructions: Consider the conformations of 2-methylbutane shown below to answer the following question(s). -

4-ethyl-3,3,4-trimethylheptane contains:

Among the following structures,how many different compounds are represented?

Name these groups (left to right). Where Represents the parent chain.

Which of the following alkanes is the most likely to be a liquid at room temperature?

Choose a correct IUPAC name for:

Structure and Bonding

Polar Covalent Bonds: Acids and Bases

Organic Compounds: Cycloalkanes and Their Stereochemistry

Stereochemistry at Tetrahedral Centers

An Overview of Organic Reactions

Alkenes and Alkynes

Reactions of Alkenes and Alkynes

Aromatic Compounds

Structure Determination: Mass Spectrometry,infrared Spectroscopy,and Ultraviolet Spectroscopy

Structure Determination: Nuclear Magnetic Resonance Spectroscopy

Organohalides: Nucleophilic Substitutions and Eliminations

Alcohols,phenols,and Thiols: Ethers and Sulfides

Aldehydes and Ketones: Nucleophilic Addition Reactions

Carboxylic Acids and Nitriles

Carboxylic Acid Derivatives: Nucleophilic Acyl Substitution Reactions

Carbonyl Alpha-Substitution and Condensation Reactions

Amines and Heterocycles

Biomolecules: Amino Acids,peptides,and Proteins

Amino Acid Metabolism

Biomolecules: Carbohydrates

Carbohydrate Metabolism

Biomolecules: Lipids and Their Metabolism

Biomolecules: Nucleic Acids and Their Metabolism

Filters

Instructions: Match the Newman projection for the conformation of 2-methylbutane to the indicated position on the potential energy diagram. - Refer to instructions.Conformations B and C are represented by the Roman numerals _ and _ in the diagram,respectively.

One of the functional group classifications is characterized by the presence of an sp² hybridized carbon atom.This functional group could be: