Amines

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1

Amines are classified by:

A) The number of carbons present in the molecule.

B) The number of carbons attached to the carbon bonded to the nitrogen.

C) The number of hydrogens attached to the nitrogen.

D) The number of alkyl groups attached to the nitrogen.

E) none of the above.

D.

2
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What is the IUPAC name for this compound?

A) N-methylethylamine

B) isopropylamine

C) 2-propylamine

D) propylamine

E) 1-methylethylamine

A) N-methylethylamine

3
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Which molecule is N,N-dimethylethylamine?

C.

4

All of the following compounds are amines except:

A) aniline

B) caffeine

C) amphetamine

D) histamine

E) aspirin

E. Aspirin

5

An amine that is insoluble is water can be made to dissolve by adding to an aqueous solution of:

A) HCl

B) an amide

C) a different amine

D) NaOH

E) none of the above.

A) HCl

6

What is the most important chemical property Of amines?

A) they are strong acids.

B) they are weak acids.

C) they are oxidizing agents.

D) they are strong bases.

E) they are weak bases.

E) they are weak bases.

7
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Which is heterocyclic amine?

A.

8

All of the following are nitrogen-containing compounds found in living organisms except:

A) carbohydrates

B) nucleotides

C) neurotransmitters

D) alkaloids

E) proteins

A. Carbohydrates

9

When the nitrogen atom in an organic compound has four covalent bonds, it is called a:

A) Primary amine

B) Quaternary ammonium ion

C) tetra amine

D) secondary amine

E) tertiary amine

B. Quaternary ammonium ion

10
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Which molecule is an example of a primary amine?

C.

11
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Which molecule is N,N-dimethylpropylamine?

C.

12

Which class of amines can form intermolecular hydrogen bonds?

A) 1*

B) 2*

C) 3*

D) A and B

E) all of the above

D. Both A and B

13
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The reaction that occurs between an acid and an amine is best illustrated by:

B.

14

When an amine acts as a base it ___ a hydrogen ion from a/an ___ ion.

A) gains; ammonium

B) loses; ammonium

C) loses; hydronium

D) gains; hydronium

E) loses; hydroxide

A. Gains from ammonium ion.

15
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What is the IUPAC name for this compound?

A) N-methyl aniline

B) 1-methyl-2-aniline

C) 2-methyl aniline

D) 1-methyl aniline

E) 1-methyl-1-aniline

C. 2-methyl aniline

16

All of the following are characteristics of alkaloids except:

A) pleasant smelling

B) physiologically active

C) toxic to humans in high doses

C) bitter taste

E) basic

A. Pleasant smelling

17

Which type of amine will react with mineral acids to form soluble ammonium salts?

A) 3*

B) 1*

C) 2*

D) A and B

E) A, B and C

E.

18
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Which molecule is an example of a secondary amine?

B.

19
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What is the IUPAC name for this compound?

A) ethyl aniline

B) 2-ethyl aniline

C) ethyl phenyl amine

D) N-ethyl aniline

D.

20
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Which molecule is trimethylamine?

E.