18. Place in order of stability (most stable FIRST): (A)④②③① (B)②③①④(C)②①③④ (D)④②①③(E) none of the

問題詳情

18. Place in order of stability (most stable FIRST):

(A)④②③①
(B)②③①④
(C)②①③④
(D)④②①③
(E) none of the above is correct

參考答案

上一篇 : 14. The mass spectrum of 5-methyl-2-hexanone shows two typical fragments. One is m/z = 43 due to α-c
下一篇 : 27.假設在高度 2 km 內空氣密度為定值 1.2 kg/m3。若海平面大氣壓力是 1013 hPa，請問在高度 1 km 處大氣壓力是多少？(A) 595 hPa (B) 695 hPa (C)