推荐回答(1个)
1. 甲烷与氯气光照
CH4 + Cl2 CH3Cl + HCl (光照)
CH3Cl + Cl2 CH2Cl2 + HCl (光照)
CH2Cl2 + Cl2 CHCl3 + HCl (光照)
CHCl3 + Cl2 CCl4 + HCl (光照)
2. 实验室制乙烯
CH3CH2OH CH2CH2 + H2O (浓硫酸,170℃)
3. 乙烯通入溴水
CH2=CH2 + Br2 CH2BrCH2Br
4. 乙烯在一定条件下与水加成
CH2=CH2 + H2O CH3CH2OH (催化剂)
5. 乙烯在一定条件下与氯化氢加成
CH2=CH2 + HCl CH3CH2Cl (催化剂)
6. 用乙烯制聚乙烯
nCH2=CH2 (CH2—CH2)n (催化剂)
7. 实验室制乙炔
CaC2 + H2O CH≡CH↑ + Ca(OH)2↓
10. 乙炔使溴水褪色
CH≡CH + 2Br2 CHBr2—CHBr2
11. 乙炔与水加成
CH≡CH + H2O CH3CHO (催化剂)
12. 用乙炔通过两步反应制聚氯乙烯
CH≡CH + HCl CH2=CHCl (催化剂)
nCH2=CHCl (CH2CHCl)n (催化剂)
13. 炔和氢气加成
CH≡CH + H2 CH2=CH2 (催化剂)
CH2=CH2 + H2 CH3CH3 (催化剂)
14.苯的硝化
+ HONO3 + H2O (浓硫酸,50—60℃)
14. 苯的溴化
+ Br2 + HBr ( Fe )
15. 苯的磺化
+ HOSO3H + H2O (浓硫酸,70—80℃)
16. 苯与氢气加成
+3H2 (催化剂,加热)
17. 甲苯使高锰酸钾溶液褪色
18. 烃燃烧通式
CXHY + (X+Y/4)O2 XCO2 + Y/2H2O (点燃)
19.1-溴丙烷发生消去反应
CH3CH2CH2Br CH3CH=CH2 + HBr( 氢氧化钠醇溶液,加热)
20.2-溴丙烷与NaOH的醇溶液共煮
CH3CHBrCH3 CH3CH=CH2 + HBr ( 氢氧化钠醇溶液,加热)
21. 金属镁投入木精中
2CH3OH + Mg (CH3O)2Mg + H2↑
22. 金属钠投入甘油中
CH2OHCHOHCH2OH + Na CH2NaCHNaCH2Na + 3/2H2↑
23. 乙醇作原料制氯乙烷
CH3CH2OH CH2=CH2 + H2O (浓硫酸,170℃) .
CH2=CH2 + HCl CH3CH2Cl (催化剂)
24.甲醇、乙醇与浓硫酸混合,加热至140℃,可能有多种产物,
化学方程式分别为
2CH3OH CH3OCH3 + H2O (浓硫酸,140℃)
2CH3CH2OH CH3CH2OCH2CH3 + H2O (浓硫酸,140℃)
CH3OH + CH3CH2OH CH3OCH2CH3 + H2O(浓硫酸,140℃)
25. 热铜丝伸入乙醇溶液中,闻到刺激性气味,用化学方程式说明原因。
2CH3CH2OH + O2 2 CH3CHO (Cu,加热)
26. 2-丙醇催化氧化
2CH3CHOHCH3 + O2 2 CH3CO¬CH3 (Cu,加热)
27. 2-甲基-2-丙醇分子间脱水
2(CH3)2COHCH3 (CH3)2COC(CH3)2 (浓硫酸,加热)
28. 金属钠投入苯酚水溶液中
2 + 2Na 2 + H2↑
充分反应后,再通入CO2
+ CO2 + H2O + NaHCO3
29. 检验苯酚的存在可用FeCl3试剂,现象为溶液变成紫色,或者用溴水试剂,现象为由白色沉淀生成,化学方程式为
+3 Br2 + 3HBr 。
30. 乙醛还原为乙醇
CH3CHO + H2 CH3CH2OH (催化剂,加热)
31. 乙醛在催化剂存在条件下被空气氧化
2CH3CHO + O2 2CH3COOH (催化剂,加热)
32. 配制银氨溶液(化学方程式、离子方程式)
AgNO3 + NH3•H2O AgOH↓ + NH4NO3
AgOH + 2NH3•H2O [Ag(NH3)2]OH + 2H2O
Ag++ 2NH3•H2O [Ag(NH3)2]+ + OH- + 2H2O
33. 制取氢氧化铜沉淀
CuSO4 + NaOH ==== Cu(OH)2 ↓+ Na2SO4
34. 检验醛基的存在可用银氨溶液试剂,现象为生成银镜,化学方程式
为—CHO +2[Ag(NH3)2]OH —COONH4 + 3NH3 + 2Ag ↓+ H2O
离子方程式为—CHO +2[Ag(NH3)2]+ + OH- —COO- + NH4++3NH3+2Ag↓ + H2O
或者用新制的氢氧化铜试剂,现象为红色氧化亚铜,化学方程式为
—CHO + 2Cu(OH)2 —COOH + Cu2O↓ + 2H2O
35. 制电木(既酚醛树脂)
O
n + nH—C—H ———→ + nH2O
36. RCHO + H2 ——→ RCH2OH (催化剂,加热)
37. RCOR + H2 ——→ RCHOHR (催化剂,加热)
38. RCHO 发生银镜反应
RCHO +2[Ag(NH3)2]OH ——→ RCOONH4 + 3NH3 + 2Ag↓ + H2O
39. RCHO 发生红色氧化亚铜反应
RCHO + 2Cu(OH)2 RCOOH + Cu2O↓ + 2H2O
40. CH3CH2Br + NaOH ———→ CH3CH2OH + NaBr (H2O)
41. 2nH2n+1OH + 2Na ———→ 2CnH2n+1ONa + H2↑
42. CH3CH2OH + HBr ———→ CH3CH2Br + H2O (浓硫酸,加热)
43. 苯甲酸与氢氧化铜反应
2 + Cu(OH)2 ————→( )2Cu + 2H2O
44. 草酸与金属钾反应
HOOC—COOH + 2K KOOC—COOK + H2
45. 醋酸与生石灰混合
CH3COOH + CaO (CH3COO)2Ca + H2O
46. 蚁酸与小苏打溶液混合
HCOOH + NaHCO¬3 HCOONa + H2O + CO2↑
47. CH3COOH + CH3CH2OH ——→ CH3COOCH2CH3 + H2O (浓硫酸,加热)
48.CH2=CH-COOH +CH3CHCH3 →CH2=CH-COOCH(CH3)2 +H2O(浓硫酸,加热)
49.C17H35COOC2H5 + H2O ———→C17H35COOH + C2H5OH (NaOH,加热)
50.COOCH2
+ 2 H2O ———→HOOCCOOH + HOCH2CH2OH
COOCH2 (NaOH,加热)
51.CH3COOCH2CH2OOCCH3 + 2H2O ———→2CH3COOH + HOCH2CH2OH
52.CH3CH2OOCCOO CH2CH3 + 2H2O ———→HOOCCOOH + CH3CH2OH
53.C6H5COOCH3 + H2O ———→ C6H5COOH + CH3OH (NaOH,加热)
54.硝酸甘油酯的水解
CH2OHCHOHCH2OH + 3HONO2 CH2ONO2CHONO2CH2ONO2 + 3H2O
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