Carbon Chemistry Alkanes

What is the general formula for saturated hydrocarbons?

• C_nH_2n
• C_nH_n+1
• C_nH_2n+1
• C_nH_2n+2

If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?

• 20
• 22
• 40
• 42

Hydrocarbons are compounds that contain

• Carbon only

• Carbon and Hydrogen only

• Carbon, Oxygen, and Hydrogen only

• Carbon, Oxygen, Hydrogen, and Nitrogen only

The longer the hydrocarbon, the _______ the boiling point

• Lower
• Higher

What is the definition of saturated?

• No single bonds

• Contains a double bond

• No single bonds, all double bonds

• No double bonds, all single bonds

Which formula represents a saturated hydrocarbon?

• A

• B

• C

• D

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

• True

• False

Which of the following has the highest boiling point?

• heptane

• pentane

• nonane

How many carbon atoms are in butane?

• 1
• 2
• 3
• 4

Which of the following elements must be present in any organic compound?

• Carbon
• Oxygen
• Potassium
• Hydrogen

Tags

NGSS.HS-LS1-6