题型:单选题 题类:常考题 难易度:普通
乙烯的制备 |
试剂X |
试剂Y |
|
A |
CH3CH2Br与NaOH乙醇溶液共热 |
H2O |
KMnO4酸性溶液 |
B |
CH3CH2Br与NaOH乙醇溶液共热 |
H2O |
Br2的CCl4溶液 |
C |
CH3CH2OH与浓H2SO4加热至170℃ |
NaOH 溶液 |
KMnO4酸性溶液 |
D |
CH3CH2OH与浓H2SO4加热至170℃ |
NaOH 溶液 |
Br2的CCl4溶液 |
试题篮