化合物 A 能溶于水,但不溶于乙醚,元素分析含 C、 H 、 O 、 N 。 A 加热失去一份子水得化合物 B 。 B 与氢氧化钠的水溶液共热,放出一种有气味的气体。残余物酸化后得一不含氮的酸性物质 C 。 C 与氢氧化铝锂反应的产物用浓硫酸处理,得一气体烯烃 D ,其分子量为 56 。该烯烃经臭氧化再还原水解后,分解得一个醛和一个酮。 试 推测 A ~ D 的结构式
【简答题】The world has many beautiful sounds. We can hear the songs of birds and the laugh of people. We can listen to the cool music and news reports. And it’s all because of our ears! They bring us a world o...
【简答题】The world has many beautiful sounds. We can hear the songs of birds and the laugh of people. We can listen to cool music and news reports. And it’s all because of our ears! They bring us a world of so...