4. Alkanes and Cycloalkanes

Which of the following hydrocarbons has all of its atoms in the same plane?

Which statement best describes the possibility of $\mathrm{cis}$ and $\mathrm{trans}$ isomerism in cycloalkanes assuming the rings are planar?

Which of the following pairs of compounds are $\mathrm{cis}-\mathrm{trans}$ isomers?

Which of the following best describes cis-trans isomers?

Given a compound with the structure $\mathrm{CH}=\mathrm{CH}-\mathrm{CH}={\mathrm{CH}}_2$, identify the configuration (cis or trans) around each double bond.

Determine the IUPAC name of the following molecule