Which of the following carbocation intermediates requires the least activation energy?

What is the correct IUPAC name for the molecule shown below?

Which of the following cycloalkanes has the largest amount of ring strain?

Of the aromatic compounds shown above, which would be meta-directing groups for subsequent electrophilic aromatic substitution reactions?

Which of the aromatic compounds (shown above) would undergo electrophilic aromatic substitution most quickly?

Which of the following molecules has the potential to produce the most energy?

Which of the following hydrocarbons would have the lowest boiling point?

Which of the following is the most stable form of cyclohexane?

Which of the following cycloalkanes is the least stable?

Which of the following statements is false concerning alkanes?