4.1 Molecular and Structural Formulae

Multiple Select

Which of the following statements are true about saturated and unsaturated hydrocarbons?

• Saturated hydrocarbons contain only single bonds.

• Unsaturated hydrocarbons contain at least one double or triple bond.

• Alkanes and cycloalkanes are examples of saturated hydrocarbons.

• Alkenes and alkynes are examples of unsaturated hydrocarbons.

Multiple Choice

Which type of structural formula does NOT show single bonds between carbon and hydrogen atoms?

• Condensed structure

• Expanded structure

• Skeletal structure

• Empirical structure

Draw

Draw the expanded structure:

CH₃CH₂CH₂CH₂CH₃

Draw

Draw the skeletal structure:

CH₃CH₂CH₂CH(Br)CH₂CH₃

Multiple Choice

Based on the classification rules, which of the following statements are true about tertiary carbon atoms?

• They are bonded to three other carbon atoms.

• They are bonded to two other carbon atoms.

• They are bonded to four other carbon atoms.

• They are bonded to one other carbon atom.

Open Ended

The classification of hydrogen atoms depends on ____

Draw

Determine the class of C atom for the structure below

Draw

Count how many C 1⁰, C 2⁰, C 3⁰, C 4⁰, H 1⁰, H 2⁰, and H 3⁰ for the structure below