Question 1

What is the IUPAC name of sec-butylamine?

Accepted Answer

A)  1-butanamine 
B)  2-butanamine 
C)  N-methyl-2-propanamine 
D)  2-methyl-2-propanamine 
A)  1-butanamine 
B)  2-butanamine 
C)  N-methyl-2-propanamine 
D)  2-methyl-2-propanamine

Question 2

What is the common name of CH3−NH−C2H5?

Accepted Answer

A)  ethylmethylamine 
B)  methylethylamine 
C)  N-methylethanamine 
D)  propanamine 
A)  ethylmethylamine 
B)  methylethylamine 
C)  N-methylethanamine 
D)  propanamine

Question 3

Although many amines are insoluble in water they can be dissolved in which of the following?

Accepted Answer

A)  aqueous acid 
B)  aqueous base 
C)  both a and b 
D)  neither a nor b 
A)  aqueous acid 
B)  aqueous base 
C)  both a and b 
D)  neither a nor b

Question 4

Which of the following will be the strongest base?

Accepted Answer

A)  (i) 
B)  (ii) 
C)  (iii) 
D)  none of these compounds are basic 
A)  (i) 
B)  (ii) 
C)  (iii) 
D)  none of these compounds are basic

Question 5

Which of the following is true?

Accepted Answer

A)  The N−H bond is nonpolar. 
B)  The polarity of the N−H bond is less than that of the O−H bond. 
C)  The polarity of the N−H bond is the same as that of the O−H bond. 
D)  The polarity of the N−H bond is greater than that of the O−H bond. 
A)  The N−H bond is nonpolar. 
B)  The polarity of the N−H bond is less than that of the O−H bond. 
C)  The polarity of the N−H bond is the same as that of the O−H bond. 
D)  The polarity of the N−H bond is greater than that of the O−H bond.

Question 6

What is the IUPAC name of tert-butylamine?

Accepted Answer

A)  1-methyl-2-propanamine 
B)  2-methyl-2-propanamine 
C)  1,1-dimethylethanamine 
D)  2,2-dimethylethanamine 
A)  1-methyl-2-propanamine 
B)  2-methyl-2-propanamine 
C)  1,1-dimethylethanamine 
D)  2,2-dimethylethanamine

Question 7

What is the name of the following compound?

Accepted Answer

A)  N,N,N-trimethylanilinium chloride 
B)  N,N,N-diethylanilinium chloride 
C)  N,N,N-triethylanilinium chloride 
D)  N,N,N-triethylaniline chlorine 
A)  N,N,N-trimethylanilinium chloride 
B)  N,N,N-diethylanilinium chloride 
C)  N,N,N-triethylanilinium chloride 
D)  N,N,N-triethylaniline chlorine

Question 8

What is the basis for classifying amines as primary, secondary, or tertiary?

Accepted Answer

A)  the number of carbon atoms bonded directly to the nitrogen atom 
B)  the number of carbon atoms bonded to a carbon bearing nitrogen 
C)  the number of nitrogen atoms present 
D)  the number of hydrogen atoms present 
A)  the number of carbon atoms bonded directly to the nitrogen atom 
B)  the number of carbon atoms bonded to a carbon bearing nitrogen 
C)  the number of nitrogen atoms present 
D)  the number of hydrogen atoms present

Question 9

What is the IUPAC name of the following compound?

Accepted Answer

A)  1-ethylaminobenzene 
B)  N-ethylaniline 
C)  N-ethylcyclohexanamine 
D)  N-ethyltoluidine 
A)  1-ethylaminobenzene 
B)  N-ethylaniline 
C)  N-ethylcyclohexanamine 
D)  N-ethyltoluidine

Question 10

Methadone is which of the following?

Accepted Answer

A)  an anesthetic 
B)  a bronchodilator 
C)  a narcotic analgesic 
D)  none of these 
A)  an anesthetic 
B)  a bronchodilator 
C)  a narcotic analgesic 
D)  none of these

Question 11

Which of the following has the highest boiling point?

Accepted Answer

A)  butane 
B)  1-propanamine 
C)  1-propanol 
D)  2-propanamine 
A)  butane 
B)  1-propanamine 
C)  1-propanol 
D)  2-propanamine

Question 12

What is the common name of (CH3)2NC2H5?

Accepted Answer

A)  ethyldimethylamine 
B)  dimethylethylamine 
C)  N,N-dimethylethanamine 
D)  none of these 
A)  ethyldimethylamine 
B)  dimethylethylamine 
C)  N,N-dimethylethanamine 
D)  none of these

Question 13

Which of the following is closely associated with the smell of rotting fish?

Accepted Answer

A)  NH3 
B)  CH3NH2 
C)  (CH3)2NH 
D)  (CH3)3N 
A)  NH3 
B)  CH3NH2 
C)  (CH3)2NH 
D)  (CH3)3N

Question 14

What is the name of (CH3)4N+Br−?

Accepted Answer

A)  tetramethylamine bromide 
B)  tetramethylammonium bromide 
C)  tetramethylamine bromine 
D)  tetramethylammonium bromine 
A)  tetramethylamine bromide 
B)  tetramethylammonium bromide 
C)  tetramethylamine bromine 
D)  tetramethylammonium bromine

Question 15

In what form do aromatic amines exist at physiological pH (pH= 7.4)?

Accepted Answer

A)  largely as neutral molecules 
B)  largely as their conjugate acids 
C)  as a mixture of neutral molecules and their conjugate acid, but with a slight predominance of the conjugate acid 
D)  as a 50/50 mix of neutral molecules and their conjugate acids 
A)  largely as neutral molecules 
B)  largely as their conjugate acids 
C)  as a mixture of neutral molecules and their conjugate acid, but with a slight predominance of the conjugate acid 
D)  as a 50/50 mix of neutral molecules and their conjugate acids

Question 16

What is the IUPAC name of CH3−NH−C2H5?

Accepted Answer

A)  ethylmethylamine 
B)  methylethylamine 
C)  N-methylethanamine 
D)  propanamine 
A)  ethylmethylamine 
B)  methylethylamine 
C)  N-methylethanamine 
D)  propanamine

Question 17

What is the IUPAC name of the following compound?

Accepted Answer

A)  ethylpropylmethylamine 
B)  N-ethyl-N-methylpropanamine 
C)  N-ethyl-N-methyl-1-propanamine 
D)  N-ethyl-N-methyl-2-propanamine 
A)  ethylpropylmethylamine 
B)  N-ethyl-N-methylpropanamine 
C)  N-ethyl-N-methyl-1-propanamine 
D)  N-ethyl-N-methyl-2-propanamine

Question 18

What is the IUPAC name of the following compound?

Accepted Answer

A)  (R)-2,5-dimethylpentanamine 
B)  (S)-5-methyl-2-hexanamine 
C)  (R)-5-methyl-2-hexanamine 
D)  (S)-2,5-dimethylpentanamine 
A)  (R)-2,5-dimethylpentanamine 
B)  (S)-5-methyl-2-hexanamine 
C)  (R)-5-methyl-2-hexanamine 
D)  (S)-2,5-dimethylpentanamine

Question 19

Which of the following is a reasonable value for the pKb of an aromatic amine?

Accepted Answer

A)  1.5 
B)  3.5 
C)  6.5 
D)  8.5 
A)  1.5 
B)  3.5 
C)  6.5 
D)  8.5

Question 20

Which of the following is the correct equation for the reaction of dimethylamine with hydrochloric acid?

Accepted Answer

A)  (CH3) 2NH + HCl(aq)   2CH4(g) + NH2Cl(l) 
B)  2(CH3)2NH + 2HCl(aq)   2(CH3)2NH2(aq) + Cl2(g) 
C)  (CH3)2NH + HCl(aq)   (CH3)2NH2+(aq) + Cl−(aq) 
D)  (CH3)2NH + 2HCl(aq)   2CH3NHCl(l) + H2 (g) 
A)  (CH3) 2NH + HCl(aq)   2CH4(g) + NH2Cl(l) 
B)  2(CH3)2NH + 2HCl(aq)   2(CH3)2NH2(aq) + Cl2(g) 
C)  (CH3)2NH + HCl(aq)   (CH3)2NH2+(aq) + Cl−(aq) 
D)  (CH3)2NH + 2HCl(aq)   2CH3NHCl(l) + H2 (g)

Exam 16: Amines

What is the IUPAC name of sec-butylamine?

What is the common name of CH3−NH−C2H5?

Although many amines are insoluble in water they can be dissolved in which of the following?

Which of the following will be the strongest base?

Which of the following is true?

What is the IUPAC name of tert-butylamine?

What is the name of the following compound?

What is the basis for classifying amines as primary, secondary, or tertiary?

What is the IUPAC name of the following compound?

Methadone is which of the following?

Which of the following has the highest boiling point?

What is the common name of (CH3)2NC2H5?

Which of the following is closely associated with the smell of rotting fish?

What is the name of (CH3)4N+Br−?

In what form do aromatic amines exist at physiological pH (pH= 7.4)?

What is the IUPAC name of CH3−NH−C2H5?

What is the IUPAC name of the following compound?

What is the IUPAC name of the following compound?

Which of the following is a reasonable value for the pKb of an aromatic amine?

Which of the following is the correct equation for the reaction of dimethylamine with hydrochloric acid?

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Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Aldehydes and Ketones

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Filters

What is the common name of CH₃−NH−C₂H₅?

What is the common name of (CH₃)₂NC₂H₅?

What is the name of (CH₃)₄N⁺Br−?

What is the IUPAC name of CH₃−NH−C₂H₅?

Which of the following is a reasonable value for the pK_b of an aromatic amine?