从溴乙烷制取1,2二溴乙烷,下列制备方案中最好的是( )
A. CH3CH2BrCH3CH2OHCH2=CH2CH2BrCH2Br
B. CH3CH2BrCH2BrCH2Br
C. CH3CH2BrCH2=CH2CH3CH2BrCH2BrCH2Br
D. CH3CH2BrCH2=CH2CH2BrCH2Br
高二化学单选题简单题
从溴乙烷制取1,2-二溴乙烷,下列制备方案中最好的是( )
A.CH3CH2BrCH3CH2OHCH2=CH2CH2BrCH2Br
B.CH3CH2BrCH2BrCH2Br
C.CH3CH2BrCH2=CH2CH3CH2BrCH2BrCH2Br
D.CH3CH2BrCH2=CH2CH2BrCH2Br
高二化学单选题中等难度题查看答案及解析
从溴乙烷制取1,2二溴乙烷,下列制备方案中最好的是( )
A. CH3CH2BrCH3CH2OHCH2=CH2CH2BrCH2Br
B. CH3CH2BrCH2BrCH2Br
C. CH3CH2BrCH2=CH2CH3CH2BrCH2BrCH2Br
D. CH3CH2BrCH2=CH2CH2BrCH2Br
高二化学单选题简单题查看答案及解析
从溴乙烷制取1, 2-二溴乙烷,下列转化方案中最好的是
A. CH3CH2BrCH3CH2OHCH2=CH2CH2BrCH2Br
B. CH3CH2BrCH2BrCH2Br
C. CH3CH2BrCH2=CH2CH2BrCH3CH2BrCH2Br
D. CH3CH2BrCH2=CH2CH2BrCH2Br
高二化学单选题简单题查看答案及解析
从溴乙烷制取1, 2-二溴乙烷,下列转化方案中最好的是
A.CH3CH2BrCH3CH2OHCH2=CH2CH2BrCH2Br
B.CH3CH2BrCH2BrCH2Br
C.CH3CH2BrCH2=CH2CH2BrCH3CH2BrCH2Br
D.CH3CH2BrCH2=CH2CH2BrCH2Br
高二化学选择题简单题查看答案及解析
以溴乙烷为原料制备1,2二溴乙烷,下列方案中最合理的是( )
A.CH3CH2BrCH3CH2OHCH2=CH2CH2BrCH2Br
B.CH3CH2BrCH2BrCH2Br
C.CH3CH2BrCH2=CH2CH2BrCH3CH2BrCH2Br
D.CH3CH2BrCH2=CH2CH2BrCH2Br
高二化学选择题中等难度题查看答案及解析
以氯乙烷为原料制备1,2-二溴乙烷,下列方案中合理的是( )
A.CH3CH2ClCH3CH2OHCH2=CH2CH2BrCH2Br
B.CH3CH2ClCH2BrCH2Br
C.CH3CH2ClCH2=CH2CH3CH2BrCH2BrCH2Br
D.CH3CH2ClCH2=CH2CH2BrCH2Br
高二化学选择题简单题查看答案及解析
以溴乙烷为原料制备乙二醇,下列方案中最合理的是( )
A. CH3CH2BrCH3CH2OHCH2===CH2CH2BrCH2Br乙二醇
B. CH3CH2BrCH2BrCH2Br乙二醇
C. CH3CH2BrCH2===CH2CH2BrCH2Br乙二醇
D. CH3CH2BrCH2===CH2CH2BrCH3CH2BrCH2Br乙二醇
高二化学选择题中等难度题查看答案及解析
以溴乙烷为原料制备乙二醇,下列方案中最合理的是
A. CH3CH2BrCH2=CH2CH2BrCH2Br乙二醇
B. CH3CH2BrCH2BrCH2Br乙二醇
C. CH3CH2BrCH3CH2OHCH2BrCH2OH乙二醇
D. CH3CH2BrCH3CH2OHCH2=CH2CH2BrCH2Br乙二醇
高二化学单选题中等难度题查看答案及解析
.从溴乙烷制取1,2-二溴乙烷,下列转化方案中最好的是( )
A. CH3CH2Br CH3CH2OH CH2=CH2 CH2BrCH2Br
B. CH3CH2BrCH2BrCH2Br
C. CH3CH2BrCH2=CH2 CH3CH2BrCH2BrCH2Br
D. CH3CH2BrCH2=CH2 CH2BrCH2Br
高二化学单选题简单题查看答案及解析
.从溴乙烷制取1,2-二溴乙烷,下列转化方案中最好的是( )
A. CH3CH2Br CH3CH2OH CH2=CH2 CH2BrCH2Br
B. CH3CH2BrCH2BrCH2Br
C. CH3CH2BrCH2=CH2 CH3CH2BrCH2BrCH2Br
D. CH3CH2BrCH2=CH2 CH2BrCH2Br
高二化学单选题简单题查看答案及解析