摘要:nHOOC-C6H5-COOH+nHOCH2CH2OH→ .
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写出下列化学反应方程式,并注明反应条件:
(1)乙醇催化氧化(铜或银做催化剂):
(2)葡萄糖发生银镜反应:
(3)葡萄糖和新制氢氧化铜发生反应:
(4)淀粉水解:
(5)对苯二甲酸和乙二醇制聚酯纤维(涤纶):
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(1)乙醇催化氧化(铜或银做催化剂):
2CH3CH2OH+O2
2CH3CHO+2H2O
| Cu或Ag |
| △ |
2CH3CH2OH+O2
2CH3CHO+2H2O
| Cu或Ag |
| △ |
(2)葡萄糖发生银镜反应:
CH2OH(CHOH)4CHO+2[Ag(NH3)2]OH
CH2OH(CHOH)4COONH4+2Ag↓+3NH3+H2O
| 60~70℃ |
| 水浴 |
CH2OH(CHOH)4CHO+2[Ag(NH3)2]OH
CH2OH(CHOH)4COONH4+2Ag↓+3NH3+H2O
| 60~70℃ |
| 水浴 |
(3)葡萄糖和新制氢氧化铜发生反应:
CH2OH(CHOH)4CHO+2Cu(OH)2
CH2OH(CHOH)4COOH+Cu2O+2H2O
| △ |
CH2OH(CHOH)4CHO+2Cu(OH)2
CH2OH(CHOH)4COOH+Cu2O+2H2O
| △ |
(4)淀粉水解:
(C6H10O5)n+nH2O
nC6H12O6
| 稀硫酸 |
(C6H10O5)n+nH2O
nC6H12O6
| 稀硫酸 |
(5)对苯二甲酸和乙二醇制聚酯纤维(涤纶):
nHOOC-C6H5-COOH+nHOCH2CH2OH→HO{OCC6H5-COOCH2CH2O-}nH+(2n-1)H2O
nHOOC-C6H5-COOH+nHOCH2CH2OH→HO{OCC6H5-COOCH2CH2O-}nH+(2n-1)H2O
.