Question 1

Which molecule is ethyl acetate?

Accepted Answer

A)  CH3COOCH2CH3 
B)  CH3CH2COOCH3 
C)  HCOOCH2CH3 
D)  CH3COCH2CH3 
E)  CH3CH2COCH3 
A)  CH3COOCH2CH3 
B)  CH3CH2COOCH3 
C)  HCOOCH2CH3 
D)  CH3COCH2CH3 
E)  CH3CH2COCH3 A

Question 2

A common misconception is that the following molecule contains two functional groups, an alcohol and a ketone, but this is not the case.What functional group does this molecule actually contain, and why is it important to differentiate between this functional group and an alcohol?

Accepted Answer

A)  This molecule contains a carboxylic acid, which reacts very differently than an alcohol. 
B)  This molecule contains a carboxylic acid, which is an isomer of an alcohol. 
C)  This molecule contains a carbonyl, which hydrogen bonds much more than an alcohol. 
D)  This molecule contains a carbonyl, which reacts very differently than an alcohol. 
E)  This molecule contains a carboxylic acid, which is unreactive. 
A)  This molecule contains a carboxylic acid, which reacts very differently than an alcohol. 
B)  This molecule contains a carboxylic acid, which is an isomer of an alcohol. 
C)  This molecule contains a carbonyl, which hydrogen bonds much more than an alcohol. 
D)  This molecule contains a carbonyl, which reacts very differently than an alcohol. 
E)  This molecule contains a carboxylic acid, which is unreactive. A

Question 3

Which biomolecule contains three ester functional groups?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)    B

Question 4

Which molecules contain a carboxylic acid?

Accepted Answer

A)  CH3COOH 
B)    
C)  CH3CO2H 
D)    
E)  All of the above contain a carboxylic acid. 
A)  CH3COOH 
B)    
C)  CH3CO2H 
D)    
E)  All of the above contain a carboxylic acid.

Question 5

Which of the following molecules contains at least one ketone?

Accepted Answer

A)  testosterone 
B)  acetone 
C)  hydrocodone 
D)  prednisone 
E)  All of the above are examples 
A)  testosterone 
B)  acetone 
C)  hydrocodone 
D)  prednisone 
E)  All of the above are examples

Question 6

Which statement BEST describes the role of a neurotransmitter in the body?

Accepted Answer

A)  Neurotransmitters facilitate the transfer of a signal from one neuron to the next, across the synaptic cleft. 
B)  Neurotransmitters facilitate the passage of an electrical impulse through a neuron. 
C)  Neurotransmitters facilitate the passage of an electrical impulse through an axon. 
D)  Neurotransmitters initiate an electrical response to a stimulus. 
E)  Neurotransmitters block all electrical impulses through neurons. 
A)  Neurotransmitters facilitate the transfer of a signal from one neuron to the next, across the synaptic cleft. 
B)  Neurotransmitters facilitate the passage of an electrical impulse through a neuron. 
C)  Neurotransmitters facilitate the passage of an electrical impulse through an axon. 
D)  Neurotransmitters initiate an electrical response to a stimulus. 
E)  Neurotransmitters block all electrical impulses through neurons.

Question 7

Which molecule contains an amide?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 8

Which molecule is acetic acid?

Accepted Answer

A)  CH3COOH 
B)  CH3COO- 
C)  CH3CH2COOH 
D)  CH3CH2COO- 
E)  CH3CH2CH2COOH 
A)  CH3COOH 
B)  CH3COO- 
C)  CH3CH2COOH 
D)  CH3CH2COO- 
E)  CH3CH2CH2COOH

Question 9

Which molecules contain a carboxylic acid?

Accepted Answer

A)  HOCH2CHO 
B)  CH3CHOHCH2COCH3 
C)  CH3CO2H 
D)  CHOOCH3 
E)  All of the above contain a carboxylic acid. 
A)  HOCH2CHO 
B)  CH3CHOHCH2COCH3 
C)  CH3CO2H 
D)  CHOOCH3 
E)  All of the above contain a carboxylic acid.

Question 10

Below are several different molecules.Which ones contain a ketone?

Accepted Answer

A)  All of these molecules contain a ketone. 
B)  All of these molecules except III contain a ketone. 
C)  Only I and II are ketones. 
D)  Only I and IV are ketones. 
E)  Only I is a ketone. 
A)  All of these molecules contain a ketone. 
B)  All of these molecules except III contain a ketone. 
C)  Only I and II are ketones. 
D)  Only I and IV are ketones. 
E)  Only I is a ketone.

Question 11

Which molecule is cyclohexanone?

Accepted Answer

A)  molecule a 
B)  molecule b 
C)  molecule c 
D)  molecule d 
E)  molecule e 
A)  molecule a 
B)  molecule b 
C)  molecule c 
D)  molecule d 
E)  molecule e

Question 12

What is the name of the following molecule?

Accepted Answer

A)  butanoic acid 
B)  1-hydroxypentanal 
C)  1-hydroxypentanone 
D)  pentanoic acid 
E)  5-pentanoic acid 
A)  butanoic acid 
B)  1-hydroxypentanal 
C)  1-hydroxypentanone 
D)  pentanoic acid 
E)  5-pentanoic acid

Question 13

Which of the following molecules contains an aldehyde?

Accepted Answer

A)  propanal 
B)  propanol 
C)  propanone 
D)  propanoic acid 
E)  propanamide 
A)  propanal 
B)  propanol 
C)  propanone 
D)  propanoic acid 
E)  propanamide

Question 14

At physiological pH, which statement about the following reaction is TRUE?

Accepted Answer

A)  Equilibrium favors the reactants. 
B)  The reaction does not occur at all. 
C)  Equilibrium favors the products. 
D)  Different products form. 
E)  The carboxylic acid acts as a base. 
A)  Equilibrium favors the reactants. 
B)  The reaction does not occur at all. 
C)  Equilibrium favors the products. 
D)  Different products form. 
E)  The carboxylic acid acts as a base.

Question 15

What is the IUPAC name of the parent chain of the following molecule?

Accepted Answer

A)  propanoate 
B)  ethanoate 
C)  pentanoate 
D)  methanoate 
E)  butanoate 
A)  propanoate 
B)  ethanoate 
C)  pentanoate 
D)  methanoate 
E)  butanoate

Question 16

Which statement about amides is FALSE?

Accepted Answer

A)  The C-N bond has some double bond character. 
B)  Amides are found in proteins. 
C)  Amides act as organic bases. 
D)  Amides do not form ions at physiological pH. 
E)  Amides are polar functional groups. 
A)  The C-N bond has some double bond character. 
B)  Amides are found in proteins. 
C)  Amides act as organic bases. 
D)  Amides do not form ions at physiological pH. 
E)  Amides are polar functional groups.

Question 17

What is the strongest intermolecular force of attraction that esters form with like molecules?

Accepted Answer

A)  ionic bonds 
B)  polar covalent bonds 
C)  dipole-dipole interactions 
D)  hydrogen bonding 
E)  dispersion forces 
A)  ionic bonds 
B)  polar covalent bonds 
C)  dipole-dipole interactions 
D)  hydrogen bonding 
E)  dispersion forces

Question 18

What type of biomolecule is shown below?

Accepted Answer

A)  a fat 
B)  a nucleic acid 
C)  an amino acid 
D)  a steroid 
E)  a sugar 
A)  a fat 
B)  a nucleic acid 
C)  an amino acid 
D)  a steroid 
E)  a sugar

Question 19

What is the name of this ester?

Accepted Answer

A)  benzyl propanoate 
B)  phenol propanoate 
C)  propyl benzoate 
D)  propyl phenoate 
E)  benzene propyl ester 
A)  benzyl propanoate 
B)  phenol propanoate 
C)  propyl benzoate 
D)  propyl phenoate 
E)  benzene propyl ester

Question 20

Do you expect a soap molecule to be more or less soluble than a carboxylic acid with the same number of carbons shown below?

Accepted Answer

A)  less soluble because the soap has a higher molecular weight 
B)  more soluble because the soap has a higher molecular weight 
C)  less soluble because the soap is more polar 
D)  less soluble because the soap is less polar 
E)  more soluble because the soap is negatively charged 
A)  less soluble because the soap has a higher molecular weight 
B)  more soluble because the soap has a higher molecular weight 
C)  less soluble because the soap is more polar 
D)  less soluble because the soap is less polar 
E)  more soluble because the soap is negatively charged

Which molecule is ethyl acetate?

A common misconception is that the following molecule contains two functional groups, an alcohol and a ketone, but this is not the case.What functional group does this molecule actually contain, and why is it important to differentiate between this functional group and an alcohol?

Which biomolecule contains three ester functional groups?

Which molecules contain a carboxylic acid?

Which of the following molecules contains at least one ketone?

Which statement BEST describes the role of a neurotransmitter in the body?

Which molecule contains an amide?

Which molecule is acetic acid?

Which molecules contain a carboxylic acid?

Below are several different molecules.Which ones contain a ketone?

Which molecule is cyclohexanone?

What is the name of the following molecule?

Which of the following molecules contains an aldehyde?

At physiological pH, which statement about the following reaction is TRUE?

What is the IUPAC name of the parent chain of the following molecule?

Which statement about amides is FALSE?

What is the strongest intermolecular force of attraction that esters form with like molecules?

What type of biomolecule is shown below?

What is the name of this ester?

Do you expect a soap molecule to be more or less soluble than a carboxylic acid with the same number of carbons shown below?

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Introduction to Organic Chemistry:

Alcohols, Phenols, Thiols, Ethers, and Amines

The Common Organic Reactions in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

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Exam 12: The Carbonyl Containing Functional Groups

Which molecule is ethyl acetate?

A common misconception is that the following molecule contains two functional groups, an alcohol and a ketone, but this is not the case.What functional group does this molecule actually contain, and why is it important to differentiate between this functional group and an alcohol?

Which biomolecule contains three ester functional groups?

Which molecules contain a carboxylic acid?

Which of the following molecules contains at least one ketone?

Which statement BEST describes the role of a neurotransmitter in the body?

Which molecule contains an amide?

Which molecule is acetic acid?

Which molecules contain a carboxylic acid?

Below are several different molecules.Which ones contain a ketone?

Which molecule is cyclohexanone?

What is the name of the following molecule?

Which of the following molecules contains an aldehyde?

At physiological pH, which statement about the following reaction is TRUE?

What is the IUPAC name of the parent chain of the following molecule?

Which statement about amides is FALSE?

What is the strongest intermolecular force of attraction that esters form with like molecules?

What type of biomolecule is shown below?

What is the name of this ester?

Do you expect a soap molecule to be more or less soluble than a carboxylic acid with the same number of carbons shown below?

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Introduction to Organic Chemistry:

Alcohols, Phenols, Thiols, Ethers, and Amines

The Common Organic Reactions in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

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