题目内容
A.(CH3)2O B.CH3CHO C.CH3OH D.HCHO
D
解析:反应为
A.(CH3)2O B.HCHO C.CH3CHO
A.(CH3)2O B.CH3CHO
C.HCHO D.C2H2和H2O
A.(CH3)2O B.CH3CHO C.HCHO D.C2H2和H2O