問題詳情

5. Which of the following is not a major peak in the Mass spectrum of isopentane?
(A) 29
(B) 43
(C) 57
(D) 60
(E) 72

參考答案

答案:D
難度:非常困難0
統計:A(0),B(0),C(1),D(0),E(0)

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