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Use the following to answer the questions below: In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: -Statements: (1) Tert-butylamine is a primary amine. (2) Most unsubstituted amides are solids at room temperature. (3) Several important neurotransmitters in the human body are primary amines.


A) All three statements are true.
B) Two of the three statements are true.
C) Only one of the statements is true.
D) None of the statements is true.

Correct Answer

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Use the following to answer the questions below: For each of the compounds, choose from the response list a correct comment concerning the compound's structure. Responses may be used more than once or need not be used at all. -Methanamine


A) contains a nitrogen atom bonded to two carbon atoms
B) contains three carbon atoms
C) contains the same number of carbon and nitrogen atoms

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Use the following to answer the questions below: For each set of reactants, select from the response list a product of the reaction. Responses may be used more than once or need not be used at all. -Primary amine, Carboxylic acid


A) amide
B) amine
C) amine salt
D) quaternary ammonium salt

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A

Which of the following statements characterizes amine salt solubilities in water?


A) greater solubility than the parent amine
B) lower solubility than the parent amine
C) identical solubility as the parent amine
D) not soluble in water

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The organic products from the basic hydrolysis of an amide are


A) an amine salt and a carboxylic acid
B) an amide and an amide salt
C) an amide and a carboxylic acid
D) an amine and a carboxylic acid salt

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The compound CH3-CH2-NH-CH3 is an example of a


A) primary amine
B) secondary amine
C) tertiary amine
D) primary amide

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Which of the following pairings of amine classification and amine name is correct?


A) monosubstituted amino group; diisopropylamine
B) disubstituted amino group; ethylmethylamine
C) primary amine; tert-butylamine
D) more than one correct response
E) no correct response

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Amines have basic properties because of the presence of


A) a carboxyl group in such compounds
B) a lone pair of electrons on the nitrogen atom
C) a positive charge on the nitrogen atom
D) acidic hydrogen atoms on the nitrogen atom

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Use the following to answer the questions below: In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: -Statements: (1) Caffeine is a central nervous system stimulant whose mode of action is enzyme inhibition. (2) Theobromine is an alkaloid found in chocolate. (3) Acetaminophen is a substituted acetamide whose structure includes a benzene ring.


A) All three statements are true.
B) Two of the three statements are true.
C) Only one of the statements is true.
D) None of the statements is true.

Correct Answer

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Use the following to answer the questions below: In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: -Statements: (1) Unsubstituted amines are carbon-hydrogen-nitrogen compounds. (2) Amides, like amines, exhibit basic properties in aqueous solution. (3) In a quaternary ammonium ion, all four groups attached to the nitrogen atom are organic groups.


A) All three statements are true.
B) Two of the three statements are true.
C) Only one of the statements is true.
D) None of the statements is true.

Correct Answer

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B

Use the following to answer the questions below: For each set of reactants, select from the response list a product of the reaction. Responses may be used more than once or need not be used at all. -Primary amine, Alkyl halide, Sodium hydroxide


A) amide
B) amine
C) amine salt
D) quaternary ammonium salt

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B

Alkylation of a primary amine, under basic conditions, will produce


A) a primary amine
B) a secondary amine
C) a primary ammonium salt
D) an amide

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Which of the following sets of reactants could be used to produce an amine salt?


A) ammonia and hydrochloric acid
B) diethylammonium chloride and sodium hydroxide
C) aniline and sulfuric acid
D) more than one correct response
E) no correct response

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The boiling points of amines are lower than those of alcohols of similar molecular mass because:


A) Amines do not contain oxygen.
B) Amines cannot hydrogen bond to each other.
C) N-H hydrogen bonds are weaker than O-H hydrogen bonds.
D) More than one correct response.
E) No correct response.

Correct Answer

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Use the following to answer the questions below: For each set of reactants, select from the response list a product of the reaction. Responses may be used more than once or need not be used at all. -Primary amine, Hydrochloric acid


A) amide
B) amine
C) amine salt
D) quaternary ammonium salt

Correct Answer

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Use the following to answer the questions below: For each of the compounds, choose from the response list a correct comment concerning the compound's structure. Responses may be used more than once or need not be used at all. -N-methylaniline


A) contains a nitrogen atom bonded to two carbon atoms
B) contains three carbon atoms
C) contains the same number of carbon and nitrogen atoms

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Use the following to answer the questions below: For each set of reactants, select from the response list a product of the reaction. Responses may be used more than once or need not be used at all. -Amine salt, Sodium hydroxide


A) amide
B) amine
C) amine salt
D) quaternary ammonium salt

Correct Answer

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For which of the following pairs of molecules does the first listed molecule possess more hydrogen-bonding sites than the second listed molecule?


A) ethanamide and propanamide
B) propanamide and N-methylpropanamide
C) N,N-dimethylpropanamide and N-methylpropanamide
D) more than one correct response
E) no correct response

Correct Answer

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Which of the following general types of compounds cannot exist?


A) cyclic amine
B) aromatic amine
C) cyclic amide
D) more than one correct response
E) no correct response

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Use the following to answer the questions below: In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices: -Statements: (1) The compound ethylammonium chloride is an amine salt. (2) Amides, like amines, can be classified as primary, secondary, and tertiary. (3) The methylamines are gases at room temperature and pressure, and have "fishy" odors.


A) All three statements are true.
B) Two of the three statements are true.
C) Only one of the statements is true.
D) None of the statements is true.

Correct Answer

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