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完成下列化学方程式:(1)乙醇与HBr反应C2H5OH+HBr△C2H5Br+H2OC2H5OH+HBr△C2H5Br+H2O.(2)乙醛与银氨溶液反应:CH3CHO+2Ag(NH3)2OH水浴△CH3COONH4+2Ag+3NH3+H2OCH3CHO+2Ag(NH3)2OH水浴△CH3COONH4+2Ag+3NH3+H2O.

题目详情
完成下列化学方程式:
(1)乙醇与HBr反应
C2H5OH+HBr
C2H5Br+H2O
C2H5OH+HBr
C2H5Br+H2O

(2)乙醛与银氨溶液反应:
CH3CHO+2Ag(NH32OH
水浴
CH3COONH4+2Ag+3NH3+H2O
CH3CHO+2Ag(NH32OH
水浴
CH3COONH4+2Ag+3NH3+H2O

(3)乙二酸与乙二醇缩聚:
nHOCH2CH2OH+nHOOC-COOH
H2SO4
+(2n-1)H2O
nHOCH2CH2OH+nHOOC-COOH
H2SO4
+(2n-1)H2O

C2H5OH+HBr
C2H5Br+H2O
25
C2H5Br+H2O
△△
252
C2H5OH+HBr
C2H5Br+H2O
25
C2H5Br+H2O
△△
252
CH3CHO+2Ag(NH32OH
水浴
CH3COONH4+2Ag+3NH3+H2O
332
水浴
CH3COONH4+2Ag+3NH3+H2O
水浴
水浴水浴
△△3432
CH3CHO+2Ag(NH32OH
水浴
CH3COONH4+2Ag+3NH3+H2O
332
水浴
CH3COONH4+2Ag+3NH3+H2O
水浴
水浴水浴
△△3432
nHOCH2CH2OH+nHOOC-COOH
H2SO4
+(2n-1)H2O
22
H2SO4
+(2n-1)H2O
H2SO4
H2SO4H2SO4H2SO4H2SO42SO4O4O44
△△2
nHOCH2CH2OH+nHOOC-COOH
H2SO4
+(2n-1)H2O
22
H2SO4
+(2n-1)H2O
H2SO4
H2SO4H2SO4H2SO4H2SO42SO4O4O44
△△2
▼优质解答
答案和解析
(1)发生取代反应生成溴乙烷和水,反应为C2H5OH+HBr△C2H5Br+H2O,故答案为:C2H5OH+HBr△C2H5Br+H2O;(2)发生银镜反应生成乙酸铵、Ag、水、氨气,反应为CH3CHO+2Ag(NH3)2OH水浴△CH3COONH4+2Ag+3NH3+H2O,故答...