Question 1

The following group is a substituent on a molecule. What is an accepted IUPAC name for this group?

Accepted Answer

A)  propenyl 
B)  allyl 
C)  vinyl 
D)  propylene 
E)  either a or b 
A)  propenyl 
B)  allyl 
C)  vinyl 
D)  propylene 
E)  either a or b E

Question 2

Provide names for each structure below. Be sure to include the cis,trans or E,Z designations where applicable.
-Name and designate:

Accepted Answer

3-methylcyclopentene

Question 3

Provide names for each structure below. Be sure to include the cis,trans or E,Z designations where applicable.
-Rank each set of substituents using the Cahn-Ingold-Prelog sequence rules by numbering the highest priority substituent 1 and numbering the lowest priority substituent 4. Place the number in the blank below the substituent.

Accepted Answer

The answer of Provide names for each structure below. Be...

Question 4

What is the IUPAC name of the following compound?

Accepted Answer

A)  (
E) -3-methylpent-3-ene 
B)  (Z)-3-methylpent-3-ene 
C)  (
E) -3-methylpent-2-ene 
D)  (Z)-3-methylpent-2-ene 
A)  (
E) -3-methylpent-3-ene 
B)  (Z)-3-methylpent-3-ene 
C)  (
E) -3-methylpent-2-ene 
D)  (Z)-3-methylpent-2-ene

Question 5

Calculate the degree of unsaturation in the formula below. Show your calculations.
caffeine, C8H10N4O2

Accepted Answer

Oxygen does not affect the base formula.

Question 6

For a compound containing substituents other than hydrogen, the number of hydrogen atoms in the equivalent hydrocarbon formula is determined by _____ from the number of hydrogen atoms present.

Accepted Answer

A)  subtracting the number of halogens atoms 
B)  adding two hydrogen atoms for each oxygen 
C)  subtracting the number nitrogen atoms 
D)  adding the number of oxygen atoms 
A)  subtracting the number of halogens atoms 
B)  adding two hydrogen atoms for each oxygen 
C)  subtracting the number nitrogen atoms 
D)  adding the number of oxygen atoms

Question 7

Draw structures corresponding to each name below.
-Draw:
trans-4,4-dimethylpent-2-ene

Accepted Answer

The answer of Draw structures corresponding to each name below.
-Draw:
trans-4,4-dimethylpent-2-ene...

Question 8

Assign E or Z configurations to each alkene below.
-Assign:

Accepted Answer

The answer of Assign E or Z configurations to each...

Question 9

A compound with the following molecular formula contains two double bonds. What is the correct subscript for H in the formula? C10H?ClN2O

Accepted Answer

A)  19 
B)  22 
C)  18 
D)  20 
E)  21 
A)  19 
B)  22 
C)  18 
D)  20 
E)  21

Question 10

Choose substituents X and Y (listed in order below) for the following compound so as to make a Z isomer.

Accepted Answer

A)  −Br, −NHCH3 
B)  −F, −CHO 
C)  −I, −OCH3 
D)  −COOH, −CH2NH2 
E)  −Br, −COOH 
A)  −Br, −NHCH3 
B)  −F, −CHO 
C)  −I, −OCH3 
D)  −COOH, −CH2NH2 
E)  −Br, −COOH

Question 11

Assign E or Z configurations to each alkene below.
-Assign:

Accepted Answer

The answer of Assign E or Z configurations to each...

Question 12

Hydride shifts

Accepted Answer

A)  occur to form less highly substituted carbocations. 
B)  occur by transfer of an H+ between adjacent carbon atoms. 
C)  are observed only in single step reactions. 
D)  transfer positive charge to a more highly substituted carbon atom. 
A)  occur to form less highly substituted carbocations. 
B)  occur by transfer of an H+ between adjacent carbon atoms. 
C)  are observed only in single step reactions. 
D)  transfer positive charge to a more highly substituted carbon atom.

Question 13

Provide names for each structure below. Be sure to include the cis,trans or E,Z designations where applicable.
-Name and designate:

Accepted Answer

cis-3,3-dimethyl-4-p

Question 14

Draw structures corresponding to each name below.
-Draw:
(3E)-3,7-dimethylocta-1,3,6-triene

Accepted Answer

The answer of Draw structures corresponding to each name below.
-Draw:
(3E)-3,7-dimethylocta-1,3,6-triene...

Question 15

Provide names for each structure below. Be sure to include the cis,trans or E,Z designations where applicable.
-Name and designate:

Accepted Answer

trans-2-me

Question 16

Below are all the chemical structures and intermediates involved in a reaction. Why does the rearrangement that results in the formation of product B occur?

Accepted Answer

The 1,2-alkyl shift is the rea

Question 17

Which of the following substituents has the highest priority according to the Cahn-Ingold-Prelog system?

Accepted Answer

A)  −NH2 
B)  −NHCH3 
C)  −CH2NH2 
D)  −CH2NHCH3 
A)  −NH2 
B)  −NHCH3 
C)  −CH2NH2 
D)  −CH2NHCH3

Question 18

Alkene chemistry is dominated by what type of reaction?

Accepted Answer

A)  substitution 
B)  electrophilic addition 
C)  nucleophilic addition 
D)  elimination 
E)  both b and c 
A)  substitution 
B)  electrophilic addition 
C)  nucleophilic addition 
D)  elimination 
E)  both b and c

Question 19

Predict the major organic product(s) in the reaction below. If more than one major organic product is expected, draw each one. Explain the significance of "35°C" and "ether" shown in the reaction.

Accepted Answer

@#IMG-DLM& 35°C and ether are notes rela

Question 20

Pent-2-ene is an example of a disubstituted alkene. Use this alkene to answer the following question(s).  
-Refer to instructions. Draw the cis and trans isomers of pent-2-ene and label them.

Accepted Answer

The answer of Pent-2-ene is an example of a disubstituted...

Exam 7: Alkenes and Alkynes

The following group is a substituent on a molecule. What is an accepted IUPAC name for this group?

Provide names for each structure below. Be sure to include the cis,trans or E,Z designations where applicable. -Name and designate:

What is the IUPAC name of the following compound?

Calculate the degree of unsaturation in the formula below. Show your calculations. caffeine, C8H10N4O2

For a compound containing substituents other than hydrogen, the number of hydrogen atoms in the equivalent hydrocarbon formula is determined by _____ from the number of hydrogen atoms present.

Draw structures corresponding to each name below. -Draw: trans-4,4-dimethylpent-2-ene

Assign E or Z configurations to each alkene below. -Assign:

A compound with the following molecular formula contains two double bonds. What is the correct subscript for H in the formula? C10H?ClN2O

Choose substituents X and Y (listed in order below) for the following compound so as to make a Z isomer.

Assign E or Z configurations to each alkene below. -Assign:

Hydride shifts

Provide names for each structure below. Be sure to include the cis,trans or E,Z designations where applicable. -Name and designate:

Draw structures corresponding to each name below. -Draw: (3E)-3,7-dimethylocta-1,3,6-triene

Provide names for each structure below. Be sure to include the cis,trans or E,Z designations where applicable. -Name and designate:

Below are all the chemical structures and intermediates involved in a reaction. Why does the rearrangement that results in the formation of product B occur?

Which of the following substituents has the highest priority according to the Cahn-Ingold-Prelog system?

Alkene chemistry is dominated by what type of reaction?

Predict the major organic product(s) in the reaction below. If more than one major organic product is expected, draw each one. Explain the significance of "35°C" and "ether" shown in the reaction.

Pent-2-ene is an example of a disubstituted alkene. Use this alkene to answer the following question(s). -Refer to instructions. Draw the cis and trans isomers of pent-2-ene and label them.

Structure and Bonding

Polar Covalent Bonds; Acids and Bases

Organic Compounds: Alkanes and Their Stereochemistry

Organic Compounds: Cycloalkanes and Their Stereochemistry

Stereochemistry at Tetrahedral Centers

An Overview of Organic Reactions

Reactions of Alkenes and Alkynes

Aromatic Compounds

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

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

Orbitals and Organic Chemistry: Pericyclic Reactionse

Synthetic Polymerse

Filters

Calculate the degree of unsaturation in the formula below. Show your calculations. caffeine, C₈H₁₀N₄O₂

A compound with the following molecular formula contains two double bonds. What is the correct subscript for H in the formula? C₁₀H_?ClN₂O