關於cis-l-rerf-butyl-4-chlorocycloliexane 的敘述，何者正確？ (A)Conformation II 比 1 不安定(B)Conformation II與I有

問題詳情

50.關於cis-l-rerf-butyl-4-chlorocycloliexane 的敘述，何者正確？

(A)Conformation II 比 1 不安定
(B)Conformation II與I有相同的安定性
(C)Conformation II 比 I 不安定有 20.8 kJ/mol 的 steric strain
(D)Conformation I 比 11 不安定有 20,8 kJ/mol 的 steric strain

參考答案

答案：D
難度：簡單0.7
統計：A(1),B(1),C(1),D(7),E(0)

內容推薦

18 一患者主訴「項如拔，脊痛，腰似折，髀不可以曲，膕如結」，下列何穴位為最佳的治療原穴？(A)京骨 (B)太谿 (C)太白 (D)太衝
Payment will be made by bank ______.　(A)transport　(B)transaction　(C)transit　(D)transfer
77買賣契約中規定"C/No. 1 -UP"，係指　(A)箱號從1號開始連續編號　(B)箱號採1，3，5…跳號方式編號　(C)1號箱要朝上　(D)箱號從1 UP、2 UP…連續方式
The goods you inquired about are sold out, but we can offer you a ______.　(A)substitute　(B)compen
As this is our first transaction with you, we would be obliged if you could provide us with some
In regard to your invoice No. 23130 for $2,578, which we expected to be cleared two weeks ago, we
If you are not already represented here, we should be interested in acting as your ______ agents.
We have enclosed our price list but should point out that prices ______ as the market for raw mat
「拉尼族（Lani)住在新幾内亞內陸地區一片廣闊、濃密的原始林區，過著簡單的生活。他們先將砍下的林木與雜草燒成灰燼’再用尖木棒挖掘水溝，堆砌田壟，並以木棒勸地，種植甘藷'芋、樹薯、豆類
As the time of shipment is fast approaching, we must ask you to fax the L/C and shipping ______ i