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Haloalkanes I

Total questions: 22

Worksheet time: 16mins

Name
Class
Date
1.

Which is the correct increasing order of boiling points of the following compounds?

1-Bromoethane, 1-Bromopropane, 1-Bromobutane, Bromobenzene

a)

Bromobenzene < 1-Bromobutane < 1-Bromopropane < 1-Bromoethane

b)

Bromobenzene < 1-Bromoethane < 1-Bromopropane < 1-Bromobutane

c)

1-Bromopropane < 1-Bromobutane < 1-Bromoethane < Bromobenzene

d)

1-Bromoethane < 1-Bromopropane < 1-Bromobutane < Bromobenzene

2.

What should be the correct IUPAC name for diethylbromomethane?

a)

1-Bromo-1,1-diethylmethane

b)

3-Bromopentane

c)

1-Bromo-1-ethylpropane

d)

1-Bromopentane

3.

Which of the following is formed when 1-chloropropane reacts with ethanolic KOH

a)

1-propanol

b)

2-propanol

c)

propene

d)

propane

4.

Nitriles can be formed by reacting haloalkanes with......

a)

Amines

b)

Amides

c)

Sodium Cyanide or Potassium Cyanide

d)

Potassium Nitrile

5.

How would you classify 2-bromopropane as a haloalkane?

a)

Primary

b)

Secondary

c)

Tertairy

d)

Methyl

6.

The name of the mechanism when 1-bromopropane reacts with aqueous sodium hydroxide is...

a)

Nucleophilic addition

b)

Nucleophilic substitution

c)

Electrophilic addition

d)

Electrophilic substitution

7.

What is the organic product when 2-chlorobutane reacts with aqueous sodium hydroxide?

a)

Butene

b)

Butane

c)

Butan-2-ol

d)

Sodium butanoate

8.

When 1-chloropropane reacts with a hot ethanolic solution of sodium hydroxide, the type of reaction is....

a)

Nucleophilic substitution

b)

Nucleophilic addition

c)

Electrophilic addition

d)

Elimination

9.

The correct systematic name of the compound in the picture is:

a)

2,3-dichloro-2-ethylbutane

b)

2,3-dichloro-3-ethylbutane

c)

3,4-dichloro-2-methylpentane

d)

2,3-dichloro-3-methylpentane

10.

The main reaction of haloakanes is

a)

Free radical substitution

b)

Electrophilic substitution

c)

Condensation

d)

Nucleophilic substitution

11.

Which is the correct IUPAC name for CH3-CH(C2H5) -CH2-Br?

a)

1-Bromo-2-ethylpropane

b)

1-Bromo-2-ethyl-2-methylethane

c)

1-Bromo-2-methylbutane

d)

2-Methyl-1-bromobutane

12.

Which is the best definition of a nucleophile?

a)

...is an electron pair donor

b)

...is attracted to an electrophile

c)

...is where a curly arrow starts

d)

...is a region of electron density

13.

Which is a primary alkyl halide?

a)

CH3CH(Br)CH3

b)

C6H5Cl

c)

CH3CH(CH2Br)CH3

d)

CH3CH2C(Cl)2CH3

14.

The number of primary alkyl halides having molecular formula C4H9X is

a)

1

b)

2

c)

3

d)

4

15.

When propylene reacts with HCl in presence of traces of organic peroxide, it follows

a)

Markovnikov's rule

b)

Anti-markovnikov's rule

c)

Chain Reaction

d)

Free radical addition

16.

1. The most common reaction that alkyl halide shows is

a)

electrophilic substitution

b)

Free radical addition

c)

nucleophilic substitution

d)

Electrophilic addition

17.

Alkyl halide can be converted to alcohol by

a)

Dehydrogenation

b)

Substitution

c)

Elimination

d)

Addition

18.

1. Alkanenitrile is the IUPAC name of

a. Alcohol

b.

c.

d.

a)

Alcohols

b)

Cyanides

c)

Esters

d)

Olefins

19.

1. C2H5NC is known as

a)

Ethyl isocyanide

b)

Ethyl carbylamine

c)

Both

d)

None of these

20.

Alkyl halide reacts with alcoholic AgCN to give

a)

Alkyl cyanide

b)

Alkyl isocyanide

c)

Alkyl isocyanate

d)

Nitrile

21.

The product formed when ethyl bromide reacts with silver cyanide is

a)

Ethyl carbylamine

b)

Propionitrile

c)

Methyl carbylamine

d)

Acetonitrile

22.

X is

a)

Ethyl nitrate

b)

Ethyl nitrite

c)

Ethanamine

d)

Nitroethane