2-methylbutane Consider the conformations of 2-methylbutane shown below to answer the following questions. A. CH3 B. H₂C CH3 H H H₂C H H₂C CH3 C. CH3 D. HCH H CH3 -CH3 H CH3 H₂C H H 1. Refer to 2-methylbutane. Which of the structures has two gauche interactions? 2. Refer to 2-methylbutane. Which of the structures represents the most stable conformation 2-methylbutane? 3. Refer to 2-methylbutane. Which of the structures represents the least stable conformation 2-methylbutane? of of