Question 1

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)   8.5E) A) and B)
F) C) and D)

Question 2

Which type of amine is (s) -methamphetamine?

Accepted Answer

A)   a primary aliphatic amine
B)   a primary aromatic amine
C)   a secondary aliphatic amine
D)   a secondary aromatic amineE) B) and C)
F) A) and C)

Question 3

Which of the following amines imparts a pungent smell to rotting fish?

Accepted Answer

A)   NH3
B)   CH3NO2
C)   (C6H6) 2NH
D)   (CH3) 3NE) A) and B)
F) A) and C)

Question 4

What is the common name of the following compound?

Accepted Answer

A)   ethylmethylpropylamine
B)   N-ethyl-N-methylpropanamine
C)   N-ethyl-N-methyl-1-propanamine
D)   N-ethyl-N-methyl-2-propanamineE) None of the above
F) All of the above

Question 5

If the Kb of a certain aromatic amine is 2.24 × 10-9, then what is the value of pKb?

Accepted Answer

A)   9.22
B)   −9.22
C)   −8.65
D)   8.65E) All of the above
F) C) and D)

Question 6

Which of the following amines will not show intermolecular hydrogen bonding?

Accepted Answer

A)   CH3NH2
B)   (CH3) 2NH
C)   (CH3) 3N
D)   all of theseE) C) and D)
F) A) and C)

Question 7

Which of the following amines serves as a building block for the amine bases of DNA and RNA?

Accepted Answer

A)   purine
B)   pyridine
C)   both purine and pyridine
D)   none of theseE) A) and D)
F) A) and C)

Question 8

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) E) B) and D)
F) All of the above

Question 9

Which type of amines can form hydrogen bonds with water?

Accepted Answer

A)   1°
B)   2°
C)   3°
D)   all of theseE) B) and D)
F) All of the above

Question 10

What is the IUPAC name of the following compound?

Accepted Answer

A)   N-ethylcyclohexanamine
B)   N-cyclohexylethanamine
C)   N-ethylaniline
D)   N-cyclohexylethylamineE) A) and B)
F) All of the above

Question 11

Which of the following has the lowest boiling point?

Accepted Answer

A)   butane
B)   1-propanamine
C)   1-propanol
D)   2-propanamineE) B) and D)
F) A) and D)

Question 12

On a medicine container, the name of the active ingredient is followed by the symbol "•HCl." What does "•HCl" indicate?

Accepted Answer

A)   The active ingredient is a salt that is insoluble in blood plasma.
B)   The active ingredient is a hydrochloride salt.
C)   The active ingredient is a water-insoluble salt.
D)   The active ingredient is a hypochlorite salt.E) A) and C)
F) A) and D)

Question 13

Which of the following compounds is a secondary aromatic amine?

Accepted Answer

A)   (i)  only
B)   (ii)  only
C)   (iii)  only
D)   (i)  and (ii)  onlyE) A) and D)
F) B) and C)

Question 14

What is the common name of (CH3) 3NH+Br−?

Accepted Answer

A)   trimethylamine bromine
B)   trimethylamine bromide
C)   trimethylammonium bromine
D)   trimethylammonium bromideE) A) and B)
F) A) and C)

Question 15

Which of the following is the correct order of the water solubility of the given compounds?  (ii)  > (iii)  B)  (ii)  > (i)  > (iii)  C)  (iii)  > (ii)  > (i)  D)  (iii)  > (i)  > (ii) " class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   (i)  > (ii)  > (iii) 
B)   (ii)  > (i)  > (iii) 
C)   (iii)  > (ii)  > (i) 
D)   (iii)  > (i)  > (ii) E) B) and C)
F) A) and B)

Question 16

Which of the following are derivatives of ammonia?

Accepted Answer

A)   amines
B)   alcohols
C)   ethers
D)   estersE) A) and D)
F) C) and D)

Question 17

Which of the following has the highest boiling point?

Accepted Answer

A)   CH2CH2CH2OH
B)   HOCH2CH2OH
C)   NH2CH2CH2OH
D)   NH2CH2CH2NH2E) All of the above
F) B) and C)

Question 18

Which of the following amines serves as a building block for the amine bases of DNA and RNA?

Accepted Answer

A)   purine
B)   pyrimidine
C)   both purine and pyrimidine
D)   none of theseE) None of the above
F) B) and C)

Question 19

How many hydrogen atoms are in cyclohexanamine?

Accepted Answer

A)   5
B)   7
C)   12
D)   13E) B) and C)
F) C) and D)

Question 20

Which of the following has the highest boiling point?

Accepted Answer

A)   CH3CH2CH2OH
B)   CH3CH2CH2NH2
C)   NH2CH2CH2OH
D)   NH2CH2CH2NH2E) B) and D)
F) C) and D)

Exam 15: Amines

How many hydrogen atoms are in cyclohexanamine?

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

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Which of the following has the highest boiling point?

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Which type of amine is (s) -methamphetamine?

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Which of the following has the lowest boiling point?

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Which of the following are derivatives of ammonia?

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What is the common name of the following compound?

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On a medicine container, the name of the active ingredient is followed by the symbol "•HCl." What does "•HCl" indicate?

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Which of the following amines serves as a building block for the amine bases of DNA and RNA?

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

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What is the common name of (CH3) 3NH+Br−?

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Which of the following amines serves as a building block for the amine bases of DNA and RNA?

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Which of the following amines will not show intermolecular hydrogen bonding?

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Which of the following compounds is a secondary aromatic amine?

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If the Kb of a certain aromatic amine is 2.24 × 10-9, then what is the value of pKb?

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Which type of amines can form hydrogen bonds with water?

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Which of the following is the correct order of the water solubility of the given compounds?

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Which of the following has the highest boiling point?

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Which of the following amines imparts a pungent smell to rotting fish?

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What is the IUPAC name of the following compound?

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

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What is the common name of (CH₃) ₃NH⁺Br−?

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If the K_b of a certain aromatic amine is 2.24 × 10^-9, then what is the value of pK_b?

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