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Organic chemistry

Total questions: 20

Worksheet time: 26mins

Name
Class
Date
1.

The formula CH3 can represent an anion, a cation or a free radical. Species with molecular formula CH3 can act as an electrophile, a free radical or a nucleophile depending on the number of outer shell electrons on the central carbon atom. How many outer shell electrons must be present for CH3 to act in these different ways ?

a)

A

b)

B

c)

C

d)

D

2.

Which diagram gives the skeletal formula of

2-chloropentan-3-ol ?

a)

A

b)

B

c)

C

d)

D

3.

Which reaction is not an electrophilic addition ?

a)

A

b)

B

c)

C

d)

D

4.

Which of these always applies to a nucleophile

a)

A

b)

B

c)

C

d)

D

5.

Bromine reacts with ethene to form 1, 2-dibromoethane.

What is the correct description of the organic intermediate in this reaction ?

a)

It has a negative charge

b)

It is a free radical

c)

It is a nucleophile

d)

It is an electrophile

6.

A reaction between chlorine and propane in UV light produces 2 isomeric monochloropropanes, C3H7Cl, as products. Which information about this reaction is correct ?

a)

A

b)

B

c)

C

d)

D

7.

Which molecules would be present in the mixture produced by the photochemical chlorination of methane ?


1) Hydrogen

2) Hydrogen Chloride

3) dichloromethane

a)

A

b)

B

c)

C

d)

D

8.

During the bromination of methane, the free radical CH30 is generated. A possible terminating step of this reaction is the formation of C2H6 by the combination of 2 free radicals. What could be produced in a terminating step during the bromination of propane

a)
b)
c)
9.
a)

A

b)

B

c)

C

d)

D

10.
a)

A

b)

B

c)

C

d)

D

11.
a)

A

b)

B

c)

C

d)

D

12.
a)

A

b)

B

c)

C

d)

D

13.
a)

A

b)

B

c)

C

d)

D

14.

Which pair of homologous series have the same C:H ratio in their general formula


1) Aldehydes and Ketones

2) Carboxylic acids and esters

3) Alkenes and Ketones

a)

A

b)

B

c)

C

d)

D

15.
a)

A

b)

B

c)

C

d)

D

16.
a)

A

b)

B

c)

C

d)

D

17.
a)

A

b)

B

c)

C

d)

D

18.
a)

A

b)

B

c)

C

d)

D

19.
a)

A

b)

B

c)

C

d)

D

20.
a)

A

b)

B

c)

C

d)

D