摘要:26.以溴乙烷为原料制备l.2-二溴乙烷.下列方案中最合理的是 ( ) A.CH3CH2Br CH3CH2OH CH2=CH2 CH2BrCH2Br B.CH3CH2Br CH2BrCH2Br C.CH3CH2Br CH2=CH2 CH2BrCH3 CH2BrCH2Br D.CH3CH2Br CH2=CH2 CH2BrCH2Br
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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.CH3CH2Br
CH3CH2OH
CH2==CH2
CH2BrCH2Br
B.CH3CH2Br
CH2BrCH2Br
C.CH3CH2Br
CH2==CH2
CH2BrCH3
CH2BrCH2Br
D.CH3CH2Br
CH2==CH2
CH2BrCH2Br
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.CH3CH2BrNaOH水CH3CH2OH浓硫酸170℃CH2===CH2CH2BrCH2Br
B.CH3CH2BrCH2BrCH2Br
C.CH3CH2BrNaOH醇CH2===CH2CH2BrCH3CH2BrCH2Br
D.CH3CH2BrNaOH醇CH2===CH2CH2BrCH2Br
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