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Amines

Total questions: 38

Worksheet time: 29mins

Name
Class
Date
1.

Which of the following is not a primary amine?

a)

Diethylamine

b)

3-Hexylamine

c)

Cyclohexylamine

d)

1-Butylamine

2.

Which of the following amines do you expect to have the highest boiling point?

a)

Triethyl amine

b)

methyl amine

c)

dimethyl amine

d)

diethyl amine

3.

Which of the following amines is used in the manufacture of Nylon 66?

a)

1,6-Hexanediamine

b)

Cyclohexylamine

c)

1-Hexylamine

d)

Dihexylamine

4.

Which one among the following is a strongest base

a)

methyl amine

b)

Ammonia

c)

Phenyl amine

5.

Which is the correct arrangement of compounds based on decreasing order of Kb value

a)

methyl amine > ammonia > phenyl amine

b)

Phenyl amine > ammonia > methyl amine

c)

Ammonia > phenyl amine > methyl amine

6.

Which reagent can be used to convert Nitrobenzene to Aniline

a)

KMNO4

b)

Ammonia

c)

Hydrogen on Palladium

d)

None of the above

7.

Amines can be prepared from the following reactions except ______

a)

reduction of nitriles

b)

reduction of amides

c)

reduction of nitro compounds

d)

reduction of carboxylic acids

8.

Which of the following is a tertiary amines?

a)

A. RNH2

b)

B. RN(CH3)2

c)

C. RNHCH3

d)

D. RN+(CH3)

9.
Name the compound
a)
piperidine
b)
aniline
c)
3-aminophenol
d)
m-benzaminophenol
10.
a)

N,N-Dimethyl-3-pentanamine

b)

N,N-Dimethyl-3-hexanamine

c)

N,N-Dimethyl-3-éthylpropanamine

d)

N,N-Dimethyl-5-éthylpropanamine

11.
a)

N,N-dimethylethylamine

b)

N,N-diethylethylamine

c)

N,N-dimethylpropylamine

d)

N,N-dimethylmethylamine

12.

The following statements are true about amines EXCEPT

a)

A. Only primary and secondary amines can form hydrogen bonding with water molecules.

b)

B. Amino compound can be prepared by reduction of nitrile compounds.

c)

C. The boiling point of tertiary amine is the lowest because it cannot form hydrogen bonding between molecules.

d)

D. Amino compound undergoes nucleophilic substitution with haloalkes.

13.

Pick the FALSE statement about amines

a)

A. Amines can undergo alkylation with haloalkanes

b)

B. Aliphatic amines are stronger bases than ammonia

c)

C. Aliphatic amines are weaker bases than aromatic amine

d)

D. Both primary aliphatic and aromatic amines will release N2 when reacts with HNO2 at high temperature

14.

Aromatic amines are ____ bases than ammonia, due to the ____ nature of the aryl group.

a)

Stronger, electron donating

b)

Weaker, electron donating

c)

Stronger, electron withdrawing

d)

Weaker, electron withdrawing

15.

The following methods can be used to prepare ethanamine except for

a)

ethanenitrile + LiAlH4

b)

ethanamide + LiAlH4

c)

1-bromoethane + NH3

d)

1-bromoethane + KCN + LiAlH4

16.
Name the following:
a)
N-methylpropanamine
b)
N,N-diethylpropanamine
c)
N-propylethanamine
d)
N-methyl-N-ethylpropanamine
17.

Name the functional group shown.

a)

sulfhydryl

b)

hydroxyl

c)

amine

d)

phosphate

18.

Amides are converted to amines by

a)

Oxidation

b)

Reduction

c)

Hydrolysis

d)

Ammonolysis

19.

The order of reactivity of halides with amines is

a)

RI > RBr <Cl.

b)

RI <RBr >RCl.

c)

RBr >RI>RCl.

d)

RI > RBr >RCl.

20.
Name the compound pictured 
a)
2-hexanamine 
b)
1-aminohexane
c)
2-hexanamide
d)
2-hexanenitrile
21.
Name the compound pictured
a)
1,1,3-chlorofluoroaminopentane
b)
3-chloro-5-fluoro-5-pentanamine
c)
3-chloro-1-fluoro-1-pentanamine
d)
dichlorofluoro-1,1,3-pentanamine
22.

Amine is a derivative compound from ...

a)

aarboxylic acid

b)

ammonia

c)

amide

d)

nitro

23.

Aqueous solutions of ammonia, ethylamine and phenylamine are prepared. Each solution has the same concentration.


Which is the correct order for the pH values of these solutions?

a)

ammonia > ethylamine > phenylamine

b)

ammonia > phenylamine > ethylamine

c)

ethylamine > ammonia > phenylamine

d)

ethylamine > phenylamine > ammonia

24.

Which compound is the strongest base?

a)

Ammonia

b)

Ammonium chloride

c)

Methylamine

d)

Phenylamine

25.

NaNO2 + HCL is used in

a)

Alkylation

b)

Acylation

c)

Diazotization

d)

Friedel Craft

26.

Which is the incorrect statement in the following ?

a)

Methylamine is more basic than ammonia

b)

Amines from hydrogen bonds

c)

Ethylamine has higher boiling point than propane

d)

Dimethylamine is less basic than methylamine .

27.

The correct order of basic strengths is :

a)

CH3NH2 > (CH3)2 NH > (CH3)3N

b)

(CH3)3N > (CH3)2 NH > CH3NH2

c)

(CH3)2 NH > (CH3)NH2 > (CH3)3N

d)

(CH3)3N > CH3NH2 > (CH3)2NH

28.

What is the name of the of the following compound?

a)

N,2-dichloro-N,1,1-trimethyl-1-phenylethanamine

b)

N,1-dichloro-N,2-dimethyl-2-phenylpropan-1-amine

c)

N-chloro-1-chloro-N-methyl-2,2-dimethyl-2-phenylethanamine

d)

N,1-dichloro-N,2,2-trimethyl-2-phenylethanamine

29.

Arrange the basic strength of the following compound in ascending order.


I: N-chloro-N-methylpropanamine

II: N,N-dimethylpropanamine

III: N,N-difluoropropanamine

a)

III< I< II

b)

II< III< I

c)

II< I< III

d)

I< III< II

30.

Identify the structure for the following compound:


2-benzyl-3-bromo-N,3-dimethyl-N-phenylbutanamide

a)
b)
c)
d)
31.

The fishy odour of 1-propanamine is lost when HCI acid is added because

a)

A. Neutralisation occur to form salt

b)

B. 1-chloropropane which is insoluble in water is formed

c)

C. 1-propanamine reacts with HCI to form propanoyl chloride

d)

D. 1-propanamine reacts with HCI to form diazonium ion

32.

Pick the CORRECT order of basicity for the following amines

a)

A. N,N-dimethylaniline > N-methylaniline > aniline > 2-chloroaniline

b)

B. Aniline > 2-chloroaniline > N-methylaniline > N,N-dimethylaniline

c)

C. N-methylaniline > N,N-dimethylaniline > aniline > 2-chloroaniline

d)

D. 2-chloroaniline > aniline > N-methylaniline > N,N-dimethylaniline

33.

Which of the following pairs will react to form benzenadiazonium chloride under suitable conditions?

a)

A. Methylbenzene and HNO3/HCI

b)

B. Nitrobenzene and SN/HCI

c)

C. Aniline and NaNO2/HCI

d)

D. Aniline and HNO3/HCI

34.

Aniline react with bromine water to form

a)

Bromobenzene

b)

m-bromo aniline

c)

2,4,6-tribromoaniline

d)

o and p –bromoaniline

35.

Benzenediazoniumchloride react with phenol to form

a)

p-chlorophenol

b)

chlorobenzene

c)

p-hydroxyazobenzene

d)

DDT

36.

Reduction of p-nitrotoluene with Sn and HCl gives

a)

P-methylaniline

b)

Toluene

c)

m-methylaniline

d)

N-Methylaniline

37.

The following will give a precipitate with excess of bromine water

a)

Bromobenzene

b)

Aniline

c)

Nitrobenzene

d)

Toluene

38.

Benzenediazonium chloride react with warm water to give

a)

Aniline

b)

Phenol

c)

Benzene

d)

Chlorobenzene

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