問題詳情

3. When pyridine is treated with a mixture of nitric and sulfuric acids, the major product is .
(A) 2-nitropyridine
(B) 3-nitropyridine
(C) 4-nitropyridine
(D) 3-aminopyridine
(E) 4-aminopyridine

參考答案

答案：B
難度：適中0.5
統計：A(0),B(1),C(0),D(0),E(0)