Question 1

Instructions: Predict the products from the information given for the following question(s).

-Predict:

Accepted Answer

The answer of Instructions: Predict the products from the information...

Question 2

Instructions: Predict the products from the information given for the following question(s).
-Predict:

Accepted Answer

The answer of Instructions: Predict the products from the information...

Question 3

Which of the following would correctly describe the respective 13C NMR and 1H NMR spectra for the indicated atoms for the compound shown below?

Accepted Answer

A) Atom 1 would produce a peak at 205 and atom 2 would appear as a singlet. 
B) Atom 1 would produce a peak at 195 and atom 2 would appear as a singlet. 
C) Atom 1 would produce a peak at 205 and atom 2 would appear as a triplet. 
D) Atom 1 would produce a peak at 195 and atom 2 would appear as a triplet. 
A) Atom 1 would produce a peak at 205 and atom 2 would appear as a singlet. 
B) Atom 1 would produce a peak at 195 and atom 2 would appear as a singlet. 
C) Atom 1 would produce a peak at 205 and atom 2 would appear as a triplet. 
D) Atom 1 would produce a peak at 195 and atom 2 would appear as a triplet. C

Question 4

Instructions: Consider the data below to answer the following question(s).
CS1U1B17S1U1B0HS1U1B114S1U1B0O

-Refer to instructions.What functional group is indicated by the IR data?

Accepted Answer

Absorption at 1715 cm^-1 in the i

Question 5

What is the IUPAC name of the following compound?

Accepted Answer

A) 3-methyl-3-phenylpropanol 
B) 3-phenylbutanal 
C) 3-phenyl-1-butanone 
D) 3-phenylbutanoic acid 
A) 3-methyl-3-phenylpropanol 
B) 3-phenylbutanal 
C) 3-phenyl-1-butanone 
D) 3-phenylbutanoic acid

Question 6

Instructions: Consider the data below to answer the following question(s).
Cyanohydrins are important intermediates in the synthesis of a-hydroxycarboxylic acids from ketones and aldehydes.The nitrile functional group can be hydrolyzed by aqueous acid to yield a carboxylic acid.Nitriles can also be hydrolyzed to carboxylic acids using aqueous base.When a cyanohydrin is treated with aqueous base,however,the original carbonyl compound is isolated.

-Refer to instructions.Identify the electrophile and nucloephile in the reaction of benzaldehyde with hydrogen cyanide.

Accepted Answer

Benzaldehyde is the

Question 7

What is the name of the major organic product obtained from the following reaction?

Accepted Answer

A) 2,3-dimethylheptan-3-ol 
B) 2,4-dimethylheptan-4-ol 
C) 3,5-dimethylheptan-4-ol 
D) 3,5-dimethylheptan-3-ol 
A) 2,3-dimethylheptan-3-ol 
B) 2,4-dimethylheptan-4-ol 
C) 3,5-dimethylheptan-4-ol 
D) 3,5-dimethylheptan-3-ol

Question 8

Instructions: a,b-Unsaturated aldehydes and ketones can undergo reaction with nucleophiles at the b carbon,as shown below.Use this information to answer the following question(s).

-Refer to instructions.This reaction is called a(n)_____ reaction.

Accepted Answer

A) conjugate addition. 
B) electrophilic addition. 
C) direct addition 
D) 1,2-addition. 
A) conjugate addition. 
B) electrophilic addition. 
C) direct addition 
D) 1,2-addition.

Question 9

Many nucleophilic addition reactions of aldehydes and ketones are catalyzed by acid or base.Bases catalyze hydration by:

Accepted Answer

A) making the carbonyl group more electrophilic 
B) shifting the equilibrium of the reaction 
C) making the carbonyl group less electrophilic 
D) converting the water to hydroxide ion,a much better nucleophile 
A) making the carbonyl group more electrophilic 
B) shifting the equilibrium of the reaction 
C) making the carbonyl group less electrophilic 
D) converting the water to hydroxide ion,a much better nucleophile

Question 10

What is the IUPAC name of the following compound?

Accepted Answer

A) (2S,4R)-dimethylpentanal 
B) (2S,4S)-dimethylpentanal 
C) (R)-2,4-dimethylpentanal 
D) (S)-2,4-dimethylpentanal 
A) (2S,4R)-dimethylpentanal 
B) (2S,4S)-dimethylpentanal 
C) (R)-2,4-dimethylpentanal 
D) (S)-2,4-dimethylpentanal

Question 11

Instructions: Consider the data below to answer the following question(s).
Cyanohydrins are important intermediates in the synthesis of a-hydroxycarboxylic acids from ketones and aldehydes.The nitrile functional group can be hydrolyzed by aqueous acid to yield a carboxylic acid.Nitriles can also be hydrolyzed to carboxylic acids using aqueous base.When a cyanohydrin is treated with aqueous base,however,the original carbonyl compound is isolated.

-Refer to instructions.The reaction of an aldehyde with hydrogen cyanide is an example of _____ reaction.

Accepted Answer

A) a nucleophilic substitution 
B) an electrophilic addition 
C) an electrophilic substitution 
D) a nucleophilic addition 
A) a nucleophilic substitution 
B) an electrophilic addition 
C) an electrophilic substitution 
D) a nucleophilic addition

Question 12

In the box,what is the name of the reactant used in the following reaction?

Accepted Answer

A) 2-methylhept-4-ene 
B) heptan-4-one 
C) 2-methylheptan-4-one 
D) 2-methylhep-3-ene-4-one 
A) 2-methylhept-4-ene 
B) heptan-4-one 
C) 2-methylheptan-4-one 
D) 2-methylhep-3-ene-4-one

Question 13

Synthesize the following alkene through the Wittig reaction of a carbonyl compound and a phosphorus ylide.

Accepted Answer

The answer of Synthesize the following alkene through the Wittig...

Question 14

Draw the structure of the product obtained from the following reaction.

Accepted Answer

The answer of Draw the structure of the product obtained...

Question 15

Instructions: Consider the data below to answer the following question(s).
CS1U1B17S1U1B0HS1U1B114S1U1B0O

-Refer to instructions.Propose a structure consistent with the spectral data presented above.

Accepted Answer

heptan-4-o

Question 16

The nucleophillic addition of water to an aldehyde or ketone

Accepted Answer

A) is irreversible. 
B) dependent on the structure of the carbonyl. 
C) favored by neutral conditions. 
D) produces a stable tetrahedral product. 
E) all of these. 
A) is irreversible. 
B) dependent on the structure of the carbonyl. 
C) favored by neutral conditions. 
D) produces a stable tetrahedral product. 
E) all of these.

Question 17

Predict whether the following reactions of the depicted carbonyl containing compounds and amines will result in the formation of an enamine or an imine.

Accepted Answer

A-enamine,

Question 18

Draw the product(s)of the following reaction.

Accepted Answer

The answer of Draw the product(s)of the following reaction. ...

Question 19

Instructions: Consider the data below to answer the following question(s).
CS1U1B17S1U1B0HS1U1B114S1U1B0O

-Refer to instructions.Calculate the degree of unsaturation for this compound.

Accepted Answer

The base formula for C₇H₁₄O is C₇H

Question 20

The substance formed in the following reaction is called:

Accepted Answer

A) vicinal diol 
B) geminal diol 
C) acetal 
D) hydrate 
E) b or d 
A) vicinal diol 
B) geminal diol 
C) acetal 
D) hydrate 
E) b or d

Exam 14: Aldehydes and Ketones: Nucleophilic Addition Reactions

Instructions: Predict the products from the information given for the following question(s). -Predict:

Instructions: Predict the products from the information given for the following question(s). -Predict:

Which of the following would correctly describe the respective 13C NMR and 1H NMR spectra for the indicated atoms for the compound shown below?

Instructions: Consider the data below to answer the following question(s). C7H14O -Refer to instructions.What functional group is indicated by the IR data?

What is the IUPAC name of the following compound?

What is the name of the major organic product obtained from the following reaction?

Instructions: a,b-Unsaturated aldehydes and ketones can undergo reaction with nucleophiles at the b carbon,as shown below.Use this information to answer the following question(s). -Refer to instructions.This reaction is called a(n)_____ reaction.

Many nucleophilic addition reactions of aldehydes and ketones are catalyzed by acid or base.Bases catalyze hydration by:

What is the IUPAC name of the following compound?

In the box,what is the name of the reactant used in the following reaction?

Synthesize the following alkene through the Wittig reaction of a carbonyl compound and a phosphorus ylide.

Draw the structure of the product obtained from the following reaction.

Instructions: Consider the data below to answer the following question(s). C7H14O -Refer to instructions.Propose a structure consistent with the spectral data presented above.

The nucleophillic addition of water to an aldehyde or ketone

Predict whether the following reactions of the depicted carbonyl containing compounds and amines will result in the formation of an enamine or an imine.

Draw the product(s)of the following reaction.

Instructions: Consider the data below to answer the following question(s). C7H14O -Refer to instructions.Calculate the degree of unsaturation for this compound.

The substance formed in the following reaction is called:

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

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

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

Which of the following would correctly describe the respective ¹³C NMR and ¹H NMR spectra for the indicated atoms for the compound shown below?

Instructions: Consider the data below to answer the following question(s). C₇H₁₄O -Refer to instructions.What functional group is indicated by the IR data?

Instructions: Consider the data below to answer the following question(s). C₇H₁₄O -Refer to instructions.Propose a structure consistent with the spectral data presented above.

Instructions: Consider the data below to answer the following question(s). C₇H₁₄O -Refer to instructions.Calculate the degree of unsaturation for this compound.