問題詳情

24. In aromatic nitration reactions, nitric acid (HNO3) is used in conjunction with the stronger acid, sulfuric acid, H2SO4, toform an intermediate. Which of the following could be the formula for this intermediate? 
(A) NO3


(B) H3SO4 


(C) H2NO3


(D) HNO2
(E) NO

參考答案

答案:C
難度:簡單0.714286
統計:A(1),B(0),C(5),D(0),E(1)