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Reaction of alkanes

Total questions: 11

Worksheet time: 17mins

Name
Class
Date
1.

Methane reacts with chlorine in substitution reaction. Which of these is an essential condition?

a)

An acid catalyst

b)

A low temperature

c)

UV light

d)

A low pressure

2.

Alkanes react with excess oxygen to form

a)

carbon dioxide and water

b)

salt and water

c)

carbon monoxide and soot

d)

metal hydroxide and hydrogen

3.

Which of the following statements concerning the reaction of methane with bromine is/are correct?

(1) It is an addition reaction.

(2) It is a substitution reaction.

(3) A similar reaction will occur if propane is used instead of methane.

a)

(1) only

b)

(2) only

c)

(1) and (3) only

d)

(2) and (3) only

4.
Which of the following generally undergoes substitution reactions
a)
alkanes
b)
alkenes
c)
Alkanes and alkenes 
d)
algebras
5.

What happens if an alkane reacts with limited oxygen?

a)

Produced carbon dioxide and water

b)

Produced carbon monoxide and water

c)

Produced oxygen and water

d)

Produced soot and water

6.

Which of the following is NOT a product formed when methane reacts under the needed conditions with chlorine?

a)

CH3Cl

b)

CH2Cl2

c)

CHCl4

d)

CCl4

7.

What type of chemical reaction is this:

C3H8 + 5O2 --> 3CO2 + 4H2O

a)

Incomplete combustion

b)

Substitution with oxygen

c)

Complete combustion

d)

Substitution with chlorine

8.

What type of chemical reaction is this:

C3H8 + Br2 --> C3H7Br + HBr

a)

Incomplete combustion

b)

Substitution with chlorine

c)

Complete combustion

d)

Substitution with bromine

9.

Which of the following is true about incomplete combustion?

a)

It takes place because there is too much supply of air

b)

It takes place because there is not enough supply of air

c)

The products are soot and hydrocarbons

d)

The products are hydrogen and water

10.

The following is a product of the reaction between propane and chlorine: C3H8Cl

a)

TRUE

b)

FALSE

11.

The following is a product of the reaction between propane and chlorine: C3H7Cl

a)

TRUE

b)

FALSE