65. How many positive and negative peaks appear in the DEPT-135 and in the DEPT-90 spectrum of 2-methylpentane?
(A) DEPT-135: two positive and one negative, DEPT-90: one positive
(B) DEPT-135: three positive and two negative, DEPT-90: one positive
(C) DEPT-135: three positive and two negative, DEPT-90: no signals
(D) DEPT-135: two positive and three negative, DEPT-90: two positive
(E) None of the above is correct
詳解 (共 2 筆)
未解鎖
好的,要判斷 2-甲基戊烷 (2-me...
未解鎖
DEPT-90只有CH顯示訊號 DEP...