Exam 2 Flashcards
The boiling point of ethylamine is higher than that of propane but lower than that of 1-propanol. This means that
-the intermolecular forces between two amine molecules are only London dispersion forces.
-hydrogen bonds between two amino groups are weaker than those between two alcohol groups.
-the intermolecular forces between two amine molecules are only dipole-dipole.
-the intermolecular forces between two amine molecules are ionic in nature.
-a molecule of ethylamine cannot form a hydrogen bond with another molecule of itself.
hydrogen bonds between two amino groups are weaker than those between two alcohol groups.
Which of the following is an acetal?
Which of the following molecules is an example of a secondary amine?
All of the following are characteristics of alkaloids except
basic.
pleasant smelling.
physiologically active.
bitter tasting.
toxic to humans in high doses.
pleasant smelling
Which class of amines cannot form hydrogen bonds with itself?
1°
2°
3°
A and B
all of the above
3°
What is the correct IUPAC name for the following compound?
ethyl phenyl amine
2-ethyl aniline
N-ethyl aniline
ethyl aniline
N-ethyl aniline
Which observation denotes a positive Benedict’s test?
-A red-brown solution becomes clear and colorless.
-A red precipitate forms from a blue solution.
-A pale yellow solution with an odor of chlorine changes to a purple color.
-A mirror-like deposit forms from a colorless solution.
-A purple solution yields a brown precipitate.
A red precipitate forms from a blue solution.
Which molecule shown is a primary alcohol?
When a thiol is oxidized the product is
an alkene.
sulfuric acid.
an aldehyde.
a ketone.
a disulfide.
a disulfide.
The reaction that occurs between an amine and an acid is best illustrated by
-(CH3)2NH + HCl → (CH3)2NH2 + Cl-.
-(CH3)2NH + HCl → (CH3)2NH2+ + OH-.
-(CH3)2NH + HCl → (CH3)2NH + Cl-.
-(CH3)2NH + H2O → (CH3)2N + H3O+.
-(CH3)2NH + HCl → (CH3)2NH Cl- + H3O+.
(CH3)2NH + HCl → (CH3)2NH2 + Cl-.
Amines are most similar in chemical structure and behavior to
the hydronium ion.
-a primary alcohol.
-sodium hydroxide.
-water.
-ammonia.
ammonia
What is the major organic product of the following reaction?
What is the most important chemical property of amines?
-They are strong bases.
-They are weak bases.
-They are weak acids.
-They are strong acids.
-They are oxidizing acids.
They are weak bases.
Which molecule shown is an ether?
What is the line bond drawing for 2-phenyl-3-pentanol
Which molecule is a heterocyclic compound?
Which compound would have the highest boiling point?
Which of the following is the correct line drawing for 2,4-dimethyl-3-pentanone?
What is the IUPAC name of the compound shown?
3-methylbutanal
The common name of CH3CH2OH is
rubbing alcohol
grain alcohol
wood alcohol
glycerol
antifreeze
grain alcohol
The major product obtained from dehydration of 2-hexanol is
2-hexene
3-hexene
1-hexene
2-hexanal
2-hexanone
2-hexene
The symbol [O] written above a reaction arrow means
-that an oxidation reaction is occurring.
-oxygen is removed from one of the reactants during the reaction.
-that a reduction reaction is occurring and oxygen is liberated.
-the reaction consumes oxygen from the atmosphere.
-none of the above
that an oxidation reaction is occurring.
An amine that is insoluble in water can be made to dissolve by adding it to an aqueous solution of
HCL
an amide
a different amine
NaOH
none of the above; It can’t be made water soluble
HCL
The common name of an industrial solvent used in many manufacturing processes is methyl ethyl ketone. The correct systematic name and structural formula of this compound are
Which molecule is a ketone?
The carbonyl group is
-produced by reduction reactions of primary or secondary alcohols.
-a general term for any functional group involving a carbon-oxygen bond.
-a functional group with a 6-membered ring where at least one atom is oxygen.
-a functional group in which carbon and oxygen are joined by a double bond.
-found only in aldehydes and ketones.
a functional group in which carbon and oxygen are joined by a double bond.
Which molecule is formaldehyde?
Alcohols, ethers, and phenols can be considered organic derivatives of the inorganic compound
water
ammonia
sodium hydroxide
carbon dioxide
none of these
water
Which of the following is not a property of aldehydes and ketones?
-They have lower boiling points than alcohols of similar molar mass.
-They are polar.
-They cannot form hydrogen bonds with water because they have no hydrogen atoms bonded to oxygen.
-Most have distinctive odors.
-They have higher boiling points than alkanes of similar molar mass.
They cannot form hydrogen bonds with water because they have no hydrogen atoms bonded to oxygen.
Some amine drugs are administered in the form of salts in order to make them
-more soluble in body fluids.
-form into pills more easily.
-taste bitter.
-more basic.
-more soluble in body fluids.
Which of the following line bond drawings correctly represents N,N-diisopropylamine?
What is the product of the reduction of 3-methyl-2-pentanone?
-2-methyl-3-pentanol
-3-methyl-2-pentanal
-3-methyl-2-pentanol
-3-methyl-2-pentene
-no reaction
-3-methyl-2-pentanol
What is the systematic name of the following compound?
-ethyl methyl ether
-diethyl ether
-2-methoxy propane
-2-ethoxy propane
2-methoxy propane
The following is an example of a
-quaternary ammonium salt.
-quanternary amine.
-tertiary ammonium salt.
-secondary ammonium salt.
-tertiary amine.
-quaternary ammonium salt.
Which molecule is N,N-dimethylpropylamine?
Which of the following alcohols would not be able to be oxidized with any type of oxidizing agent?
Which of the following compounds would be the least soluble in water?
2-propanone
2-hexanone
2-butanone
3-pentanone
2-pentanone
2-hexanone
Name the following:
meta-chloroethylphenol
3-chloro-6-hydroxy ethylbenzene
4-chloro-6-ethylphenol
4-chloro-2-ethylphenol
3-ethyl-4-hydroxychlorobenzene
4-chloro-2-ethylphenol
What is the product of oxidation of butanal?
butane
butanoic acid
1-butanol
2-butanol
no reaction
butanoic acid
Which compound is the most soluble in water?
CH3CH2CH2OH
CH3CH2CH2CH2CH2CH2CH2CH3
CH3CH2CH2CH3
CH3CH2CH3
CH3CH2CH2CH2OH
CH3CH2CH2OH
