Alkane And Alkene - Assessment

1.

Multiple Choice

1 min

1 pt

How many carbon atoms are in propane

1

2

3

4

2.

Multiple Choice

1 min

1 pt

What is the general formula of an alkane

2n+2

CnH2n+2

CnH2n

CnHn

3.

Multiple Choice

1 min

1 pt

Hydrocarbons are compounds that contain

Carbon, only

Carbon and Hydrogen, only

Carbon, Oxygen, and Hydrogen, only

Carbon, Oxygen, Hydrogen, and Nitrogen, only

4.

Multiple Choice

1 min

1 pt

Name this alkane

Methane

Ethane

Propane

Butane

5.

Multiple Choice

1 min

1 pt

Name the compound.

hexane

2,3-dimethylbutane

ethylbutane

2,2-dimethylbutane

6.

Multiple Choice

1 min

1 pt

Classify the compound based on the functional group present.

alkane

alkene

alkyne

aromatic

7.

Multiple Choice

1 min

1 pt

Select the formula for the following name: Octene

C₈H₁₆

C₈H₁₄

C₈H₁₈

C₈H₁₅OH

8.

Multiple Choice

1 min

1 pt

Which formula represents a saturated hydrocarbon?

A

B

C

D

9.

Multiple Choice

1 min

1 pt

How many carbons are in the longest chain of the following molecule:

11

10

9

8

10.

Multiple Choice

1 min

1 pt

What colour does bromine water turn in the presence of an alkene

Orange

Blue

Colourless

Green

11.

Multiple Choice

1 min

1 pt

What is the observation obtained when alkene react with acidified KMnO₄

decolourize purple solution

decolourize reddish brown solution

decolourize blue solution

yellow precipitate formed

12.

Multiple Choice

1 min

1 pt

For a compound to be considered an organic compound it must contain

Carbon

Hydrogen

Oxygen

Nitrogen

13.

Multiple Choice

1 min

1 pt

When heat is applied to a hydrocarbon and it melts, the energy is being used to...

Break covalent bonds

Overcome intermolecular forces

Break a molecule

Separate atoms

14.

Multiple Choice

1 min

1 pt

What is a functional group?

Group of atoms that give specific characteristics to a molecule

Group of molecules that give specific characteristics to an atom

Group of molecules that make up a group of atoms

Group of atoms that give specific characteristics to an element

15.

Multiple Choice

1 min

1 pt

Which formula represents an unsaturated hydrocarbon?

A

B

C

D

16.

Multiple Choice

1 min

1 pt

Unsaturated molecules contain...

A carbon to carbon double bond

Only single bonds between carbon atoms

A water molecule

A hydroxyl group

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