4. Alkanes and Cycloalkanes

In a cyclohexane chair conformation, if two substituents are both on axial positions on adjacent carbons, what is the relationship between these substituents?

Two carbon atoms form a double bond, and each carbon is bonded to two hydrogen atoms. Which statement is true about the possible isomerism of this compound? $C_2{H}_4$

Which statement correctly describes the relationship between the two substituents in $\mathrm{cis}$-$1$-isopropyl-$2$-methylcyclohexane?

In the molecule $C_2{H}_2{\mathrm{Br}}_2$ (1,2-dibromoethene), which atom or group is trans to the bromine atom at carbon 1 in the trans isomer?

Which of the following best describes the spatial arrangement of the substituents in $\text{cis-1,2-dichloroethene}$?

Which of the following best represents the trans-isomer of $C_2{H}_2{\mathrm{Cl}}_2$ (1,2-dichloroethene)?

Which of the following statements about $\mathrm{trans}$ fats is true?

Which of the following types of molecules can exhibit both $\mathrm{cis}$ and $\mathrm{trans}$ configurations?

Which of the following compounds can exhibit cis-trans isomerism?

Determine the IUPAC name of the following molecule 

In the chair conformation of $\mathrm{cyclohexane}$, if two substituents are both on axial positions on adjacent carbons, what is the relationship between these substituents?

Which of the following compounds has substituents that are cis to each other? (i) $\mathrm{CH}=\mathrm{CH}\mathrm{Br}\mathrm{Cl}$ (ii) $\mathrm{CH}=\mathrm{CH}\mathrm{Br}\mathrm{Br}$ (iii) $\mathrm{CH}=\mathrm{CH}\mathrm{Cl}\mathrm{Br}$ (iv) $\mathrm{CH}=\mathrm{CH}\mathrm{Cl}\mathrm{Cl}$

In a monosubstituted cyclohexane ring with a bromo group in the axial position at carbon $1$, which hydrogen atom is trans to the bromo group?

Which type of hydrocarbon geometric isomer has all of its atoms in the same plane?

cis-trans isomers (geometric isomers) are molecules that _____.