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Worksheets

Alkenes

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

The general formula for alkenes.

a)

CnH2n

b)

CnH2n-2

c)

CnH2n+2

d)

CnH2n-6

2.

The first member of the alkene family.

a)

Ethane

b)

Ethene

c)

Ethyne

d)

Propylene

3.

Give the IUPAC name for the compound

a)

pentane

b)

2-pentene

c)

3-pentene

d)

3-pentyne

4.

Identify the type of addition reaction shown:

a)

Hydrogenation

b)

Hydration

c)

Addition of HX

d)

Halogenation

5.

What particular type of reaction is shown below?

a)

Hydrogenation

b)

Hydration

c)

Addition of HX

d)

Halogenation

6.

Water does add to C=C double bonds to give alcohols in the presence of an acid. This type of reaction is called ______________________.

a)

Catalytic hydrogenation

b)

Hydration

c)

Halogenation

d)

None of these

7.

It states that, in the addition of HX, the hydrogen goes to the carbon that already has more hydrogen.

a)

Markovnikov's rule

b)

Octet rule

8.

The common name for ethene.

a)

Ethyl

b)

Acetylene

c)

Ethylene

d)

Propylene

9.

This isomer means that two particular atoms (or group of atoms) are adjacent to each other.

a)

cis-

b)

trans-

c)

meta-

d)

ortho-

10.

This isomer means that two particular atoms (or group of atoms) are across from each other.

a)

cis-

b)

trans-

c)

meta-

d)

ortho-

11.

Which of the following is a characteristic reaction of alkenes?

a)

Substitution

b)

Addition

c)

Elimination

d)

Condensation

12.

What is the result of the complete combustion of alkenes?

a)

Carbon dioxide and water

b)

Carbon monoxide and water

c)

Carbon and water

d)

Carbon dioxide and hydrogen

13.

Which of the following alkenes is used in the production of polyethylene?

a)

Propene

b)

Butene

c)

Ethene

d)

Pentene

14.

What type of bond is present in alkenes that makes them more reactive than alkanes?

a)

Single bond

b)

Double bond

c)

Triple bond

d)

Ionic bond

15.

In the presence of which catalyst does the hydrogenation of alkenes typically occur?

a)

Iron

b)

Platinum

c)

Copper

d)

Zinc