Alkanes

Which of the following statements about cracking is not true?

• Cracking is the breakdown of large alkane molecules into small molecules.

• Cracking is used to produce fuel for motor vehicles.

• Cracking is used to produce H₂ and alkenes.

• Cracking takes place in the presence of sunlight.

Tags

NGSS.HS-PS1-5

Which of the following shows the structure of ethane?

• 
• 
• 
• 

Which of the following hydrocarbons contains only single bonds?

• Alkanes

• Alkenes

• Alkynes

What is a hydrocarbon?

• A compound composed of carbon and water

• A compound composed of carbon and hydrogen

• A compound composed of carbon and oxygen

• A compound composed of carbon and nitrogen

What is the prefix for a compound with 7 carbons?

• Hex

• Hept

• Hesp

• Hexa

The molecular formula for Heptane is

• C₄H₁₀

• C₈H₁₈

• C₅H₁₂

• C₇H₁₆

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

• True

• False

Which of the following would have the highest melting point?

• C₃H₈

• C₄H₈

• C₅H₁₂

• C₂₂H₄₄

Which formula represents a saturated hydrocarbon?

• A

• B

• C

• D

The name of the molecule C₂H_{6 is........}

• ethane

• propane

• methane

• butane

Tags

NGSS.MS-PS1-1