Deck 12: The Carbonyl Containing Functional Groups

Question 1

Which of the following molecules is an aldehyde?

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

Answer 1

molecule a

Question 2

Which structure is NOT an amide?

A) CH₃CONHCH₃
B) CH₃CH₂NHCHO
C) NH₂CH₂CHO
D) (CH₃)₂NOCCH₃
E) CH₃CH₂NHCOCH₂CH₃

Answer 2

NH₂CH₂CHO

Question 3

Because L-dopa is metabolized into an active drug in the body, L-dopa is a________.

A) metabolite
B) biomolecule
C) precursor
D) prodrug
E) generic drug

Answer 3

prodrug

Question 4

What do the following molecules have in common?

A) an ionic bond
B) They hydrogen bond with like molecules.
C) a carbon with a linear molecular geometry
D) an alcohol
E) a carbonyl-containing functional group

Question 5

What is the role of dopamine in the body?

A) It is a neurotransmitter.
B) It is a protein.
C) It is the energy currency of the cell.
D) It is part of our genetic material.
E) It is part of the cell membrane.

Question 6

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

A) ethylamine
B) dimethylamine
C) propylamide
D) propylamine
E) butylamide

Question 7

Does isopropyl alcohol have a higher or lower boiling point than acetone?

A) Higher, because isopropyl alcohol has hydrogen bonding.
B) Lower, because isopropyl alcohol has hydrogen bonding.
C) Higher, because isopropyl alcohol can form dispersion forces.
D) Lower, because isopropyl alcohol can form dispersion forces.
E) It is not possible to determine the answer based on the information provided.

Question 8

Below is a ball-and-stick model of acetone.Which of the following Lewis structures is acetone?

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

Question 9

Below are several different molecules.Which ones contain 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 10

Which molecule is N-ethylpropanamide?

A) CH₃CH₂CH₂NHCH₂CH₃
B) CH₃CH₂CONHCH₂CH₃
C) CH₃CONHCH₂CH₂CH₃
D) CH₃CH₂CH₂CONHCH₂CH₃
E) CH₃CH₂CNH₂CH₂CH₃

Question 11

Provide the IUPAC name for the following carboxylic acid.

A) 4,6-dimethylheptanoic acid
B) 2,4-dimethyl-7-heptanoic acid
C) 4,6-dimethylheptanal
D) 2,4-dimethyl-7-heptanal
E) 2,4-dimethyl-7-heptanol

Question 12

What is the IUPAC name of the following molecule?

A) 2-methylbutanal
B) 2-carbonylpropane
C) 2-pentanal
D) 3-methylbutanone
E) 3-methylbutanal

Question 13

How many amides does the following peptide (a sequence of several amino acids)contain?

A) 0
B) 1
C) 2
D) 3
E) 4

Question 14

What is the name of the carbonyl-containing compound that has the following general structure: RCO₂R?

A) aldehyde
B) amide
C) ether
D) ester
E) carboxylic acid

Question 15

Which functional group does NOT contain a carbonyl group?

A) amide
B) amine
C) ketone
D) carboxylic acid
E) ester

Question 16

Anandamide is a neurotransmitter that is involved in controlling mood and appetite.Which choice BEST describes the functional groups found in this molecule?

A) alcohols, esters, alkenes, and ketones
B) alcohols, ketones, and alkenes
C) alcohols, phenols, and ketones
D) phenols, ethers, alkenes, esters, and ketones
E) phenols, ethers, alkenes, and ketones

Question 17

Which biomolecule contains three ester functional groups?

A)
B)
C)
D)
E)

Question 18

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

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 19

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?

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.

Question 20

Which statement about amides is FALSE?

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 21

Isopropyl acetate is used to flavor banana candy.What functional group(s)is/are in a molecule of isopropyl acetate?

A) ketone and ether
B) aldehyde and alcohol
C) ketone and alcohol
D) carboxylic acid
E) ester

Question 22

Soap has a polar head and nonpolar tail.Thus, soap is ________.

A) ambivalent
B) ambidextrous
C) amphoteric
D) amphibious
E) ambiguous

Question 23

Which of the following molecules contains an aldehyde?

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

Question 24

What functional groups are in aspartame, an artificial sweetener?

A) ether, three alkenes, ketone, amine, amide
B) ester, aromatic ring, amide, amine, carboxylate
C) ether, aromatic ring, two amines, two ketones, alcohol
D) ester, two amines, two ketones, carboxylate
E) ether, three alkenes, two amine, two ketones, alcohol

Question 25

Tetracycline is a common antibiotic.Select the choice in which the two boxed functional groups are correctly identified.

A) I: amine; II: amine
B) I: amide; II: amide
C) I: amine; II: amide
D) I: amide; II: amine
E) These functional groups are neither amines nor amides.

Question 26

What is the name of the following molecule?

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

Question 27

Which molecule contains an amide?

A)
B)
C)
D)
E)

Question 28

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

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

Question 29

Vanillin is the molecule that gives vanilla extract its characteristic odor and flavor.Which functional group in vanillin is an aldehyde?

A) I
B) II
C) III
D) IV
E) Vanillin does not contain an aldehyde.

Question 30

Which molecules contain a carboxylic acid?

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

Question 31

Which compound is the MOST soluble in water?

A)
B)
C)
D)
E)

Question 32

Which statement about carboxylic acids is FALSE?

A) Carboxylic acids are weak acids.
B) Carboxylic acids have the same properties as an alcohol and ketone.
C) Carboxylic acids hydrogen bond.
D) Carboxylic acids form carboxylates at physiological pH.
E) Carboxylic acids form dimers.

Question 33

The simplest aldehyde is formaldehyde, which is used as a preservative.Which of the following molecules is formaldehyde?

A) HCHO
B) CH₃OH
C) CH₃COCH₃
D) CH₃CH₂OHCH₃
E) CH₃CHO

Question 34

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

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

Question 35

Which compound has the highest boiling point?

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

Question 36

At physiological pH, what is the structure of stearic acid, a fatty acid?

A)
B)
C)
D)
E)

Question 37

Which BEST describes the functional group(s)in this molecule?

A) a carboxylic acid
B) a carboxylate
C) an alcohol and a ketone
D) an alcohol and an aldehyde
E) an alcohol, a sodium, and a carbonyl

Question 38

An aldehyde, ketone, and carboxylic acid have what in common?

A) a carbonyl group
B) a polar covalent bond
C) a permanent dipole
D) two single bonds to the carbon of the carbonyl
E) All of the above are correct.

Question 39

Which molecule is acetic acid?

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

Question 40

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

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

Question 41

What is the strongest intermolecular force of attraction that forms between molecules of butanone?

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

Question 42

What type of carbonyl-containing compound has the following general structure?

A) aldehyde
B) amide
C) ketone and alcohol
D) ester
E) carboxylic acid

Question 43

Which molecule is cyclohexanone?

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

Question 44

The following statements refer to the differences and similarities between an amide and an amine.Which statement is FALSE?

A) An amide has a carbonyl next to the nitrogen, and an amine does not.
B) An amide forms an ion, whereas an amine does not.
C) Both an amide and an amine contain a nitrogen.
D) Amides and amines have different chemical properties.
E) The nitrogen in both amines and amides can be attached to one, two, or three carbons.

Question 45

Which functional groups are in the male sex hormone, testosterone?

A) alkene, aldehyde, alcohol
B) alkyne, aldehyde, alcohol
C) alkene, ketone, aldehyde
D) alkene, ketone, alcohol
E) alkyne, ketone, aldehyde

Question 46

D-Fructose is a simple sugar.What is the functional group indicated by the arrow?

A) ketone
B) carboxylic acid
C) alcohol
D) aldehyde
E) polyol

Question 47

Which molecule is ethyl acetate?

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

Question 48

Which of the following compounds is the most soluble in water?

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

Question 49

Which of the following molecules contains an aldehyde?

A) CH₃CH₂OH
B) CH₃COCH₃
C) CH₃CHO
D) CH₃OCH₃
E) All of the above molecules contain aldehydes.

Question 50

What is the name of this ester?

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

Question 51

In order for many drugs to be active, they must fit into cell receptors.In order for the drug to fit into the cell receptor, the drug must

A) be a complementary shape to the receptor.
B) be able to form intermolecular forces with the receptor.
C) have functional groups in the correct position.
D) have the correct polarity.
E) All of the above are correct.

Question 52

What is the name of the following molecule?

A) N-methylbutanamide
B) N-methylhexanamide
C) N-dimethylbutanamide
D) N,N-dimethylbutanamide
E) N,N-dimethylhexanamide

Question 53

Which functional groups are in the following molecule of aspirin?

A) a benzene ring, an ester, a ketone, and an alcohol
B) a benzene ring, two ketones, an ether, and an alcohol
C) a benzene ring, a carboxylic acid, an ether, and a ketone
D) a benzene ring, a carboxylic acid, and an ester
E) a phenol, two ketones, and an alcohol

Question 54

What is the name of the following ester?

A) ethyl acetate
B) methyl propanoate
C) propyl acetate
D) propyl ethanoate
E) ethyl propanoate

Question 55

Which of the following molecules contains at least one ketone?

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

Question 56

Methadone, a drug used to aid in the withdrawal from heroin, contains several functional groups.Which functional group is NOT found in methadone?

A) two benzene rings
B) a tertiary amine
C) a ketone
D) an aldehyde
E) Methadone does not contain any functional groups.

Question 57

The portion of the molecule labeled I is

A) hydrophobic.It dissolves grease.
B) hydrophilic.It dissolves grease.
C) hydrophobic.It dissolves in water.
D) hydrophilic.It dissolves in water.
E) both hydrophobic and hydrophilic.It dissolves in both water and grease.

Question 58

What type of biomolecule is shown below?

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

Question 59

Which of the following molecules has the highest boiling point?

A)
B)
C)
D)
E)

Question 60

What type of biomolecule is shown below?

A) a polyunsaturated fatty acid
B) a saturated fatty acid
C) a nucleic acid
D) an amino acid
E) a sugar

Question 61

What is the name of the following molecule?

A) pentan-2-one
B) 2-methylbutan-3-al
C) 2-methylbutan-3-one
D) 3-methylbutan-2-al
E) 3-methylbutan-2-one

Question 62

Which condensed structure is the same molecule as the skeletal line structure shown below?

A) (CH₃)₃CCOCH₂CH₃
B) (CH₃)₃COCH₂CH₃
C) (CH₃)₃CCH₂OCH₂CH₃
D) (CH₃)₃CCH₂COCH₃
E) (CH₃)₃CCH₂OCH₃

Question 63

Which BEST describes the functional groups in this molecule of soap?

A) a carboxylic acid
B) a carboxylate group
C) an alcohol and a ketone
D) an alcohol and an aldehyde
E) an alcohol, a sodium, and a carbonyl

Question 64

Glucose, the most common sugar, contains which of the following carbonyl-containing functional groups?

A) carboxylic acid
B) amide
C) aldehyde
D) ketone
E) ester

Question 65

Which molecules contain a carboxylic acid?

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

Question 66

What is the product when a carboxylic acid donates a proton ion (H⁺)to water?

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

Question 67

Which of the following compounds has the highest boiling point?

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

Question 68

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

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 69

Which molecule is butanal?

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

Question 70

Which molecule is ethyl butanoate?

A)
B)
C)
D)
E)