Hydrocarbons

What term is given to a compound which contains atoms of carbon and hydrogen only?

• alkene

• hydrocarbon

• alkane

• saturated

Alkanes have the general formula:

• CnH2n

• CnH2n+1

• CnH2n+2

• CnHn

What term describes alkane molecules that contain C-C single bonds?

• saturated

• unsaturated

What are the 2 products of complete combustion?

• carbon dioxide + hydrogen

• carbon dioxide + water

• carbon monoxide + water

• carbon monoxide + hydrogen

What does a fuel react with when it burns?

• oxygen

• water

• carbon dioxide

• methane

• Heptane

• Octane

• Hexane

• Cyclohexane

Tags

NGSS.HS-PS1-3

NGSS.HS-PS1-4

Alkanes are known as saturated hydrocarbons because they contain only carbon-hydrogen single bonds.

• True
• False

The boiling points of alkane molecules increase as their molecular sizes increase.

• True

• False

How many carbon atoms are in methane?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

If an alkane has 10 carbon atoms, how many hydrogen atoms will it have?

• 20

• 22

• 40

• 42