Alkanes, Alkenes, Alkynes

What is the name of this molecule?

• 3-ethyl-2,4-methylheptane

• 2,4-dimethyl-3-ethylheptane

• 3-ethyl-2,4-dimethylheptane

• 5-ethyl-4,6-dimethylheptane

Tags

NGSS.HS-PS1-1

Name this molecule. Spelling and proper use of commas/dashes matter.

Tags

NGSS.HS-PS1-1

Which direction would you number the carbons in the main chain?

• Left to Right

• Right to Left

• It doesn't matter here since both directions would be carbon #2

Name this molecule. Spelling and proper use of commas/dashes matter.

Name this molecule. Spelling and proper use of commas/dashes matter.

Name this molecule. Spelling and proper use of commas/dashes matter.

Name this molecule. Spelling and proper use of commas/dashes matter.

Name this molecule. Spelling and proper use of commas/dashes matter.

What is the name of this molecule?

• 4-ethyl-6-methyloctane

• 5-ethyl-3-methyloctane

• 2-ethyl-4-methylheptane

• 2,4-diethylheptane

How many carbons are in the main carbon chain in this molecule?

• 8

• 6

• 7

• 9

Answer explanation

If a double bond is present, the main chain must include this double bond, even if there is a longer continuous chain of carbons