Question 1

How many constitutional isomers are possible with the formula C4H10O?

Accepted Answer

A)  3 
B)  4 
C)  5 
D)  6 
E)  7 
A)  3 
B)  4 
C)  5 
D)  6 
E)  7

Question 2

For the functional group(s)on the following molecule what characteristic IR absorption(s)would be expected (ignoring C-H absorptions)?

Accepted Answer

A)  A peak around 1700 cm-1 
B)  A peak around 3300 cm-1 
C)  A peak around 1650 cm-1 
D)  A peak around 2250 cm-1 
E)  None of these 
A)  A peak around 1700 cm-1 
B)  A peak around 3300 cm-1 
C)  A peak around 1650 cm-1 
D)  A peak around 2250 cm-1 
E)  None of these

Question 3

Which compound(s)contain(s)tertiary carbon atom(s)?

Accepted Answer

A)  I,II,III 
B)  I 
C)  II,III 
D)  I,IV 
E)  V 
A)  I,II,III 
B)  I 
C)  II,III 
D)  I,IV 
E)  V

Question 4

For the functional group(s)on the following molecule,what characteristic IR absorption(s)would be expected (ignoring C-H absorptions)?

Accepted Answer

A)  Peaks around 1710 and 1650 cm-1 
B)  A strong broad peak over 3600 to 2500 cm-1 
C)  Peaks around 1650 and 3300 cm-1 
D)  A peak around 1710 cm-1 
E)  None of these 
A)  Peaks around 1710 and 1650 cm-1 
B)  A strong broad peak over 3600 to 2500 cm-1 
C)  Peaks around 1650 and 3300 cm-1 
D)  A peak around 1710 cm-1 
E)  None of these

Question 5

What functional group is present in the following compound?

Accepted Answer

A)  1o alcohol 
B)  ether 
C)  2o alcohol 
D)  ester 
E)  3o alcohol 
A)  1o alcohol 
B)  ether 
C)  2o alcohol 
D)  ester 
E)  3o alcohol

Question 6

Which compound would you expect to have the highest boiling point?

Accepted Answer

A)  ethane 
B)  ethene 
C)  ethyne 
D)  bromoethane 
E)  methane 
A)  ethane 
B)  ethene 
C)  ethyne 
D)  bromoethane 
E)  methane

Question 7

The compound shown below is a substance called Capsaicin,found in varying concentrations in several varieties of hot peppers,and responsible for their respective degrees of "heat".Which functional groups are present in the molecule of capsaicin?

Accepted Answer

A)  Alkene,ketone,amine,alcohol,ester 
B)  Alkene,ketone,alcohol,ether 
C)  Alkene,amine,phenol,ether 
D)  Ether,phenol,alkene,amide 
E)  Ester,phenol,alkene,amide 
A)  Alkene,ketone,amine,alcohol,ester 
B)  Alkene,ketone,alcohol,ether 
C)  Alkene,amine,phenol,ether 
D)  Ether,phenol,alkene,amide 
E)  Ester,phenol,alkene,amide

Question 8

For the following reaction sequence (it is not necessary to understand the chemistry)what significant change(s)would be expected by IR (ignoring C-H absorptions)?

Accepted Answer

A)  A peak around 2250 cm-1 would disappear and nothing new would appear. 
B)  A peak around 1720 cm-1 would appear and a new peak around 3300 cm-1 would disappear. 
C)  A peak around 2250 cm-1 would disappear and new peak around 1720 cm-1 would appear. 
D)  A peak around 2250 cm-1 would disappear and new peak around 3300 cm-1 would appear. 
E)  No change would be observed. 
A)  A peak around 2250 cm-1 would disappear and nothing new would appear. 
B)  A peak around 1720 cm-1 would appear and a new peak around 3300 cm-1 would disappear. 
C)  A peak around 2250 cm-1 would disappear and new peak around 1720 cm-1 would appear. 
D)  A peak around 2250 cm-1 would disappear and new peak around 3300 cm-1 would appear. 
E)  No change would be observed.

Question 9

What functional group(s)is/are present in the following compound?

Accepted Answer

A)  alkyne and 2o alcohol 
B)  alkyne and 1o alcohol 
C)  2o alcohol and alkene 
D)  nitrile and 1o alcohol 
E)  alkene and 2o alcohol 
A)  alkyne and 2o alcohol 
B)  alkyne and 1o alcohol 
C)  2o alcohol and alkene 
D)  nitrile and 1o alcohol 
E)  alkene and 2o alcohol

Question 10

The solid alkane CH3(CH2)18CH3 is expected to exhibit the greatest solubility in which of the following solvents?

Accepted Answer

A)  CCl4 
B)  CH3OH 
C)  H2O 
D)  CH3NH2 
E)  HOCH2CH2OH 
A)  CCl4 
B)  CH3OH 
C)  H2O 
D)  CH3NH2 
E)  HOCH2CH2OH

Question 11

Which molecule has a zero dipole moment?

Accepted Answer

A)  SO2 
B)  CO2 
C)  CO 
D)  CHCl3 
E)  None of these 
A)  SO2 
B)  CO2 
C)  CO 
D)  CHCl3 
E)  None of these

Question 12

What functional group is present in the following compound?

Accepted Answer

A)  1o alkyl bromide 
B)  2o amine 
C)  nitrile 
D)  1o amine 
E)  3o amine 
A)  1o alkyl bromide 
B)  2o amine 
C)  nitrile 
D)  1o amine 
E)  3o amine

Question 13

Which compound is a primary amine with the formula C5H13N?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 14

For the functional group(s)on the following molecule what characteristic IR absorption(s)would be expected (ignoring C-H absorptions)?

Accepted Answer

A)  A peak around 1700 cm-1 
B)  A peak around 3300 cm-1 
C)  Only normal alkane absorptions 
D)  A peak around 2250 cm-1 
E)  None of these 
A)  A peak around 1700 cm-1 
B)  A peak around 3300 cm-1 
C)  Only normal alkane absorptions 
D)  A peak around 2250 cm-1 
E)  None of these

Question 15

What functional group is present in the following compound?

Accepted Answer

A)  alcohol 
B)  ketone 
C)  aldehyde 
D)  ester 
E)  ether 
A)  alcohol 
B)  ketone 
C)  aldehyde 
D)  ester 
E)  ether

Question 16

Which is a 3 $\degree$ alkyl halide?

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Question 17

For a molecule to possess a dipole moment,which following condition is necessary but not sufficient?

Accepted Answer

A)  Three or more atoms in the molecule 
B)  Presence of one or more polar bonds 
C)  A non-linear structure 
D)  Presence of oxygen or fluorine 
E)  Absence of a carbon-carbon double or triple bond 
A)  Three or more atoms in the molecule 
B)  Presence of one or more polar bonds 
C)  A non-linear structure 
D)  Presence of oxygen or fluorine 
E)  Absence of a carbon-carbon double or triple bond

Question 18

For the following reaction sequence (it is not necessary to understand the chemistry)what significant change(s)would be expected by IR (ignoring C-H absorptions)?

Accepted Answer

A)  A peak around 3300 cm-1 would disappear and nothing new would appear. 
B)  A peak around 1710 cm-1 would appear and a new peak around 3300 cm-1 would disappear. 
C)  A peak around 2150 cm-1 would disappear and a new peak around 3300 cm-1 would appear. 
D)  No change would be observed. 
E)  None of these 
A)  A peak around 3300 cm-1 would disappear and nothing new would appear. 
B)  A peak around 1710 cm-1 would appear and a new peak around 3300 cm-1 would disappear. 
C)  A peak around 2150 cm-1 would disappear and a new peak around 3300 cm-1 would appear. 
D)  No change would be observed. 
E)  None of these

Question 19

What alkyl groups make up the following ether?

Accepted Answer

A)  isobutyl and propyl 
B)  propyl and butyl 
C)  ethyl and isopropyl 
D)  propyl and sec-butyl 
E)  None of these 
A)  isobutyl and propyl 
B)  propyl and butyl 
C)  ethyl and isopropyl 
D)  propyl and sec-butyl 
E)  None of these

Question 20

An example of a tertiary amine is:

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  IV 
E)  V 
A)  I 
B)  II 
C)  III 
D)  IV 
E)  V

Exam 2: Representative Carbon Compounds: Functional Groups, Intermolecular Forces, and Infrared Ir Spectroscopy

How many constitutional isomers are possible with the formula C4H10O?

For the functional group(s)on the following molecule what characteristic IR absorption(s)would be expected (ignoring C-H absorptions)?

Which compound(s)contain(s)tertiary carbon atom(s)?

For the functional group(s)on the following molecule,what characteristic IR absorption(s)would be expected (ignoring C-H absorptions)?

What functional group is present in the following compound?

Which compound would you expect to have the highest boiling point?

The compound shown below is a substance called Capsaicin,found in varying concentrations in several varieties of hot peppers,and responsible for their respective degrees of "heat".Which functional groups are present in the molecule of capsaicin?

For the following reaction sequence (it is not necessary to understand the chemistry)what significant change(s)would be expected by IR (ignoring C-H absorptions)?

What functional group(s)is/are present in the following compound?

The solid alkane CH3(CH2)18CH3 is expected to exhibit the greatest solubility in which of the following solvents?

Which molecule has a zero dipole moment?

What functional group is present in the following compound?

Which compound is a primary amine with the formula C5H13N?

For the functional group(s)on the following molecule what characteristic IR absorption(s)would be expected (ignoring C-H absorptions)?

What functional group is present in the following compound?

Which is a 3 °\degree° alkyl halide?

For a molecule to possess a dipole moment,which following condition is necessary but not sufficient?

For the following reaction sequence (it is not necessary to understand the chemistry)what significant change(s)would be expected by IR (ignoring C-H absorptions)?

What alkyl groups make up the following ether?

An example of a tertiary amine is:

Carbon Compounds and Chemical Bonds

An Introduction to Organic Reactions: Acids and Bases

Alkanes: Nomenclature, Conformational Analysis, and an Introduction to Synthesis

Stereochemistry: Chiral Molecules

Ionic Reactions - Nucleophilic Substitution and Elimination Reactions of Alkyl Halides

Alkenes and Alkynes I: Properties and Synthesis, Elimination Reactions of Alkyl Halides

Alkenes and Alkynes Ii: Addition Reactions

Nuclear Magnetic Resonance and Mass Spectrometry: Tools for Structure Determination

Radical Reactions

Alcohols and Ethers

Alcohols From Carbonyl Compounds Oxidation-Reduction and Organometallic Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Aldehydes and Ketones I Nucleophilic Addition to the Carbonyl Group

Aldehydes and Ketones Ii Aldol Reactions

Carboxylic Acids and Their Derivatives Nucleophilic Addition - Elimination at the Acyl Carbon

Synthesis and Reactions of Beta-Dicarbonyl Compounds: More Chemistry of Enolate Ions

Amines

Phenols and Aryl Halides: Nucleophilic Aromatic Substitution

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

How many constitutional isomers are possible with the formula C₄H₁₀O?

The solid alkane CH₃(CH₂)₁₈CH₃ is expected to exhibit the greatest solubility in which of the following solvents?

Which compound is a primary amine with the formula C₅H₁₃N?

Which is a 3 $\degree$ alkyl halide? $Which is a 3 \degree alkyl halide?$