12. Introduction to Organic Chemistry

Draw a skeletal formula for the following molecule: CH₃CH(CH₃)CH₂CH₂OH.

Convert the following skeletal formula into condensed and structural formulas.

Draw both condensed and line structures for the chemicals listed in Problem 12.1.

a.

b.

c.

d.

Convert the following models into line drawings (back = C; white = H; blue = N):

a.

Convert the following models into line drawings (back = C; white = H; blue = N):

b.

Draw the straight-chain isomer with the formula (b) C₉H₂₀.

Convert the following line structures to condensed structures:

a.

Convert the following line structures to condensed structures:

b.

Oxybenzone is an effective sunscreen whose structural formula is shown.

b. What is the molecular formula and molar mass of oxybenzone?

Avobenzone is a common ingredient in sunscreen. Its structural formula is shown.

b. What is the molecular formula and molar mass of avobenzone?

Explain why it is not possible to draw a skeletal structure for methane.

Draw a skeletal structure for each of the following compounds:

(b)

Draw a skeletal structure for each of the following compounds:

(b)

Write the skeletal structure for the alkane or cycloalkane shown:

(c) CH₃CH₂CH₂CH₂CH₂CH₂CH₂CH₃

Lewis structures, condensed structural formulas, and skeletal structures are used to represent the structure of an organic compound. Each of the following compounds is shown in one of these representations. Convert each compound into the other two structural representations not shown.

(c)