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下列反应中,属于取代反应的是()A.CH3CH=CH2+Br2CCl4CH3CHBrCH2BrB.CH3CH2OH浓H2SO4170℃CH2=CH2↑+H2OC.CH3COOH+CH3CH2OH浓H2SO4△CH3COOCH2CH3+H2OD.2CH3CH2OH+O2Cu△2CH3CHO+2H2O

题目详情

下列反应中,属于取代反应的是(  )

A. CH3CH=CH2+Br2

CCl4
CH3CHBrCH2Br

B. CH3CH2OH 

H2SO4
170℃
  CH2=CH2↑+H2O

C. CH3COOH+CH3CH2OH  

H2SO4
  CH3COOCH2CH3+H2O

D. 2CH3CH2OH+O2

Cu
2CH3CHO+2H2O

下列反应中,属于取代反应的是(  )

A. CH3CH=CH2+Br2

CCl4
CH3CHBrCH2Br

322
CCl4
CH3CHBrCH2Br
CCl4
CCl4
CCl4CCl4l4l44
32

B. CH3CH2OH 

H2SO4
170℃
  CH2=CH2↑+H2O

32
H2SO4
170℃
  CH2=CH2↑+H2O
H2SO4
170℃
H2SO4
170℃浓H2SO4H2SO4H2SO4H2SO42SO4O4O44
170℃170℃222

C. CH3COOH+CH3CH2OH  

H2SO4
  CH3COOCH2CH3+H2O

332
H2SO4
  CH3COOCH2CH3+H2O
H2SO4
H2SO4
△浓H2SO4H2SO4H2SO4H2SO42SO4O4O44
△△3232

D. 2CH3CH2OH+O2

Cu
2CH3CHO+2H2O

322
Cu
2CH3CHO+2H2O
Cu
Cu
△CuCu
△△32
▼优质解答
答案和解析
A.CH3CH=CH2+Br2CCl4CH3CHBrCH2Br为加成反应,故A错误; B.CH3CH2OH 浓H2SO4170℃ CH2=CH2↑+H2O,为消去反应,故B错误;C.CH3COOH+CH3CH2OH 浓H2SO4△ CH3COOCH2CH3+H2O,为酯化反应,也是取代反应,故C正确;D...