Branched Hydrocarbons

Identify the main characteristics of an organic compoung

• Low melting point

• nonpolar

• non-conductor

• All of the above

The name for this compound is ....

• 2-ethylpropane

• 1,1-dimethylpropane

• 2-methylbutane

• 3-methylbutane

The name for the compound is ....

• 2,3-dimethylpropane

• 3,4-dimethylpropane

• 2,3-dimethylpentane

• 3,4-dimethylpentane

The systematic name for the structure shown is

• 1,1-dimethylpropane

• 2-methylbutane

• 3-methylbutane

• 2-methylpentane

How many propyl groups are on the following molecule?

• 1

• 2

• 3

• 4

How many carbons are in the longest chain?

Be careful - It's a bent molecule!

• 7

• 8

• 9

• 10

Tags

NGSS.HS-LS1-6

What is the correct name for the following compound?

• 3,4-dimethylheptane

• 4-methyl-5-ethylhexane

• 3-methyl-4-propylpentane

What is the correct name for the alkyne shown?

• butyne

• 1-butyne

• 2-butyne

• 1-methyl-1-propyne

Which is the structures with IUPAC nomenclature

2,2,4-trimethylpentane

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

Why do alkane not dissolve in water?

• they are less dense than water
• they have low melting points
• they are non-polar compounds 
• they are chemically less reactive