環己烷

8. Which of the following compounds has the highest heat of combustion per CH2 group? (A) cyclopropane (B) cyclobutane (...
1 下列何者為反-1,4-二甲基環己烷（trans-1,4-dimethylcyclohexane）最穩定之椅式（chair）結構： (A)...
11. In the following alkanes, which one has the lowest strain energy? (A) cylopropane (B) cyclobutane (C) cyclohexane (...
32. 下列化合物中，何者的環張力(ring strain)能量最小？ (A) cyclohexane (B) cyclobutane (C) cyclopentane (D) cyclooctane...
9. Which cycloalkane has the lowest heat of combustion per CH2 group? (A) Cyclopropane (B) Cyclobutane (C) Cyclopentane...
3. Which one of the following structures represents a different compound from the other three? (A) 1 (B) 2 (C) 3 (D) 4 (...
50. 以下列的構型而言，當X為哪一個取代基時會有最大的1,3-diaxial strain？ (A) CN (B) C(CH3)3 (C) CO2H (D) Br
14. Find the energy cost of a 1,3-diaxial interaction for the following compounds, which has most 1,3-diaxial interactio...

寬識(已上榜、感謝阿摩與前輩)