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Unformatted text preview: as for ethane? (A) No, Yes (B) Yes, No (C) No, No (D) Yes, Yes Newman, Sawhorse , and Wedge-and-Dash Projection Formulas Refer to textbook, page 105 2 ConcepTest (CT) This sawhorse drawing of butane is: (A) a gauche conformation. (B) the anti conformation. (C) the least stable eclipsed conformation. (D) the relatively more stable eclipsed conformation. Conformational Analysis of Butane Refer to textbook, pages 107-109 (Seventh Edition of Carey) ConcepTest (CT) Select the correct statement (A) The most stable conformation in C 2 H 6 is the staggered conformation. (B) Torsional strain in the eclipsed conformation of C 2 H 6 accounts for the energy difference between the staggered and eclpised conformations. (C) The two staggered conformations of butane are equivalent. (D) The gauche conformation of butane is less stable than the anti because of van der Waals strain. NOTE: The question should have read incorrect statement! CH 3 CH 3 H H H H...
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- Conformational isomerism, Alkane stereochemistry, Conformational Analysis, ConcepTest