(Solved): QUESTION 7 Which of the following are constitutional isomers of 4-isopropyloctane? (Hint: identify ...

QUESTION 7 Which of the following are constitutional isomers of 4-isopropyloctane? (Hint: identify the isopropyl group) I. 3-ethyl-2,4,5-trimethyloctane II. isobutylcyclohexane III. 4-ethyl-2,2-dimethylheptane IV. 4-ethyl-2-methyloctane O III, IV O I, II O I, IV O II, III QUESTION 8 Which of the following molecules are constitutional isomers? OH III HO IV (Hint: write the molecular formulas for each structure) O II and IV O I and II O II and III IV and V OH