The molecules 2-methylbutane and 2,2-dimethylpropane are a. neither isomers or conformers b. structural isomers C. conformers d. geometric isomers Which of the following is an isomer of hexane? a. 2-methylhexane b. 2-methylpentane c. methylcyclopentane d. 3-ethylpentane QUESTION 4 Which of the following is a correct IUPAC name? a. 2,3-dimethylpentane b. 2-ethylpentane c. 1-methylbutane d. 2-ethylcylcohexane Name the alkane shown: a. 1,2,2-trimethylcyclohexane b. 1,1,2-trimethylhexane c. 1,1,2-trimethylcyclohexane d. trimethylcyclohexane QUESTION 6 Which of the following exhibits cis-trans isomerism? a. 1,3-diethylcyclopentane b. 1,1-dimethylcyclopropane c. methylcyclobutane d. 2,3-dimethylhexane