Which of the Following Statements About the Conformers That Result

question 98

Multiple Choice

Which of the following statements about the conformers that result from rotation about the C2-C3 bond of butane is correct?

• A)The highest energy conformer is one in which methyl groups are eclipsed by hydrogens.
• B)The gauche conformer is an eclipsed one.
• C)Steric strain is absent in the eclipsed forms.
• D)Torsional strain is absent in the eclipsed forms.
• E)none of the above