求有机化学考试经常考的方程式

2025-04-05 02:29:23
推荐回答(4个)
回答1:

牢记以下方程式,一切OK.

1、硫酸根离子的检验: BaCl2 + Na2SO4 = BaSO4↓+ 2NaCl
2、碳酸根离子的检验: CaCl2 + Na2CO3 = CaCO3↓ + 2NaCl
3、碳酸钠与盐酸反应: Na2CO3 + 2HCl = 2NaCl + H2O + CO2↑
4、木炭还原氧化铜: 2CuO + C 高温 2Cu + CO2↑
5、铁片与硫酸铜溶液反应: Fe + CuSO4 = FeSO4 + Cu
6、氯化钙与碳酸钠溶液反应:CaCl2 + Na2CO3 = CaCO3↓+ 2NaCl
7、钠在空气中燃烧:2Na + O2 △ Na2O2
钠与氧气反应:4Na + O2 = 2Na2O
8、过氧化钠与水反应:2Na2O2 + 2H2O = 4NaOH + O2↑
9、过氧化钠与二氧化碳反应:2Na2O2 + 2CO2 = 2Na2CO3 + O2
10、钠与水反应:2Na + 2H2O = 2NaOH + H2↑
11、铁与水蒸气反应:3Fe + 4H2O(g) = F3O4 + 4H2↑
12、铝与氢氧化钠溶液反应:2Al + 2NaOH + 2H2O = 2NaAlO2 + 3H2↑
13、氧化钙与水反应:CaO + H2O = Ca(OH)2
14、氧化铁与盐酸反应:Fe2O3 + 6HCl = 2FeCl3 + 3H2O
15、氧化铝与盐酸反应:Al2O3 + 6HCl = 2AlCl3 + 3H2O
16、氧化铝与氢氧化钠溶液反应:Al2O3 + 2NaOH = 2NaAlO2 + H2O
17、氯化铁与氢氧化钠溶液反应:FeCl3 + 3NaOH = Fe(OH)3↓+ 3NaCl
18、硫酸亚铁与氢氧化钠溶液反应:FeSO4 + 2NaOH = Fe(OH)2↓+ Na2SO4
19、氢氧化亚铁被氧化成氢氧化铁:4Fe(OH)2 + 2H2O + O2 = 4Fe(OH)3
20、氢氧化铁加热分解:2Fe(OH)3 △ Fe2O3 + 3H2O↑
21、实验室制取氢氧化铝:Al2(SO4)3 + 6NH3•H2O = 2Al(OH)3↓ + 3(NH3)2SO4
22、氢氧化铝与盐酸反应:Al(OH)3 + 3HCl = AlCl3 + 3H2O
23、氢氧化铝与氢氧化钠溶液反应:Al(OH)3 + NaOH = NaAlO2 + 2H2O
24、氢氧化铝加热分解:2Al(OH)3 △ Al2O3 + 3H2O
25、三氯化铁溶液与铁粉反应:2FeCl3 + Fe = 3FeCl2
26、氯化亚铁中通入氯气:2FeCl2 + Cl2 = 2FeCl3
27、二氧化硅与氢氟酸反应:SiO2 + 4HF = SiF4 + 2H2O硅单质与氢氟酸反应:Si + 4HF = SiF4 + 2H2↑
28、二氧化硅与氧化钙高温反应:SiO2 + CaO 高温 CaSiO3
29、二氧化硅与氢氧化钠溶液反应:SiO2 + 2NaOH = Na2SiO3 + H2O
30、往硅酸钠溶液中通入二氧化碳:Na2SiO3 + CO2 + H2O = Na2CO3 + H2SiO3↓
31、硅酸钠与盐酸反应:Na2SiO3 + 2HCl = 2NaCl + H2SiO3↓
32、氯气与金属铁反应:2Fe +3Cl2 点燃 2FeCl3
33、氯气与金属铜反应:Cu + Cl2 点燃 CuCl2
34、氯气与金属钠反应:2Na + Cl2 点燃 2NaCl
35、氯气与水反应:Cl2 + H2O = HCl + HClO
36、次氯酸光照分解:2HClO 光照 2HCl +O2↑
37、氯气与氢氧化钠溶液反应:Cl2 + 2NaOH = NaCl + NaClO +H2O
38、氯气与消石灰反应:2Cl2 + 2Ca(OH)2 = CaCl2 + Ca(ClO)2+ 2H2O
39、盐酸与硝酸银溶液反应:HCl + AgNO3 = AgCl↓ + HNO3
40、漂白粉长期置露在空气中:Ca(ClO)2 + H2O + CO2 = CaCO3↓ + 2HClO
41、二氧化硫与水反应:SO2 + H2O ≈ H2SO3
42、氮气与氧气在放电下反应:N2 + O2 放电 2NO
43、一氧化氮与氧气反应:2NO + O2 = 2NO2
44、二氧化氮与水反应:3NO2 + H2O = 2HNO3 + NO
45、二氧化硫与氧气在催化剂的作用下反应:2SO2 + O2 催化剂 2SO3
46、三氧化硫与水反应:SO3 + H2O = H2SO4
47、浓硫酸与铜反应:Cu + 2H2SO4(浓) △ CuSO4 + 2H2O + SO2↑
48、浓硫酸与木炭反应:C + 2H2SO4(浓) △ CO2 ↑+ 2SO2↑ + 2H2O
49、浓硝酸与铜反应:Cu + 4HNO3(浓) = Cu(NO3)2 + 2H2O + 2NO2↑
50、稀硝酸与铜反应:3 Cu + 8HNO3(稀) △ 3Cu(NO3)2 + 4H2O + 2NO↑
51、氨水受热分解:NH3•H2O △ NH3↑ + H2O
52、氨气与氯化氢反 应:NH3 + HCl = NH4Cl
53、氯化铵受热分解:NH4Cl △ NH3↑ + HC l↑
54、碳酸氢氨受热分解:NH4HCO3 △ NH3↑ + H2O↑ + CO2↑
55、硝酸铵与氢氧化钠反应:NH4NO3 + NaOH △ NH3↑ + NaNO3 + H2O
56、氨气的实验室制取:2NH4Cl + Ca(OH)2 △ CaCl2 + 2H2O + 2NH3 ↑
57、氯气与氢气反应:Cl2 + H2 点燃 2HCl
58、硫酸铵与氢氧化 钠反应:(NH4)2SO4 + 2NaOH △ 2NH3↑ + Na2SO4 + 2H2O
59、SO2 + CaO = CaSO3
60、SO2 + 2NaOH = Na2SO3 + H2O
61、SO2 + Ca(O H)2 = CaSO3↓ + H2O
62、SO2 + Cl2 + 2H2O = 2HCl + H2SO4
63、 SO2 + 2H2S = 3S + 2H2O
64、NO、NO2的回收:NO2 + NO + 2NaOH = 2NaNO2 + H2O
65、Si + 2F2 = SiF4
66、Si + 2NaOH + H2O = NaSi O3 +2H2↑
67、硅单质的实验室制法:粗硅的制取:SiO2 + 2C 高温 电炉 Si + 2CO (石英沙)(焦碳 ) (粗硅) 粗硅转变为纯硅:Si(粗) + 2Cl2 △ SiCl4 SiCl4 + 2H2 高温 Si(纯)+ 4HCl

回答2:

高中有机化学方程式汇总

1. CH4 + Cl2 CH3Cl + HCl
2. CH3Cl + Cl2 CH2Cl2 + HCl
3. CH2Cl + Cl2 CHCl3 + HCl
4. CHCl3 + Cl2 CCl4+ HCl
5. CH4 C +2H2
6. C16H34 C8H18 + C8H16
7. CH3COONa + NaOH CH4↑+ Na2CO3
8. CH2 = CH2 + Br2 CH2Br—CH2Br
9. CH2 = CH2 + H2O CH3CH2OH
10. CH2 = CH2 + HBr CH3—CH2Br
11. CH2 = CH2 + H2 CH3—CH3
12. nCH2 = CH2 [ CH2—CH2 ] n
13. nCH2=CH-CH=CH2 [CH2-CH=CH-CH2] n
14. 2CH2 = CH2 + O2 2CH3CHO
15. CH≡CH + Br2 CHBr = CHBr
16. CHBr = CHBr+ Br2 CHBr2-CHBr2
17. CH≡CH + HCl H2C = CHCl
18. nCH2 = CH [ CH2-CH ] n
Cl Cl
19. CH≡CH + H2O CH3CHO
20. CaC2 + 2H2O CH≡CH↑+ Ca(OH)2
21. + Br2 Br + HBr
22. + HO-NO2 NO2 +H2O
23. + HO-SO3H SO3H+H2O
24. + 3H2

25. +3HO-NO2 +3H2O

26. 3CH≡CH
27. CH3CH2Br + H2O CH3CH2OH + HBr
28. CH3CH2Br + NaOH CH3CH2OH + NaBr
29. CH3CH2Br+ NaOH CH2 = CH2 + NaBr +H2O
30. 2CH3CH2OH+2Na 2CH3CH2ONa + H2↑
31. 2CH3CH2OH+O2 2CH3CHO + 2H2O
32. CH3CH2OH CH2 = CH2↑+ H2O
33.C2H5OH+C2H5OH C2H5OC2H5+H2O
34. OH+NaOH ONa+H2O
35. OH+H2O O-+H3O+
36. ONa+H2O+CO2 OH+ NaHCO3

37. +3Br2 ↓+3HBr

38. CH3CHO + H2 CH3CH2OH
39. 2CH3CHO + O2 2CH3COOH
40. CH3CHO+2Ag(NH3)2OH CH3COONH4
+2Ag↓+3NH3+H2O
41CH3CHO+2Cu(OH)2 CH3COOH+Cu2O↓+2H2O
42. 2CH3COOH+2Na CH3COONa+H2↑
43.2CH3COOH+Na2CO3 2CH3COONa+H2O+CO2↑
44. CH3COOH+NaHCO3 CH3COONa+H2O+CO2↑
45. CH3COOH + NaOH CH3COONa + H2O
46. 2CH3COOH + Cu(OH)2 (CH3COO)2Cu + 2H2O
47.CH3COOH+CH3CH2OH CH3COOCH2CH3
+H2O
48. CH3COOCH2CH3+NaOH CH3COONa+
CH3CH2OH
49. nOHCH2CH2COOH [ OCH2CH2C ] n +H2O
50. C6H12O6 (s) + 6O2 (g) 6CO2 (g) + 6H2O (l)
51. C6H12O6 2CH3CH2OH + 2CO2
52. C12H22O11+H2O C6H12O6+ C6H12O6
蔗糖 葡萄糖 果糖
53. C12H22O11 + H2O 2C6H12O6
麦芽唐 葡萄糖
54. (C6H10O5)n + nH2O n C6H12O6
淀粉 葡萄糖
55. (C6H10O5)n + nH2O n C6H12O6
纤维素 葡萄糖
56.C17H33COO-CH2 C17H35COO-CH2
C17H33COO-CH +3H2 C17H35COO-CH
C17H33COO-CH2 C17H35COO-CH2

回答3:

多浏览,勿硬记,多见题,便识记

一、取代反应
R-H+X2 R-X+HX
CH4+Cl2 CH3Cl+HCl
CH3Cl+Cl2 CH2Cl2+HCl
CH2Cl2+Cl2 CHCl3+HCl
CHCl3+Cl2 CCl4+HCl
+ HO-NO2 NO2+ H2O
+ Br2 Br + HBr
CH3-CH2-Br + H2O CH3CH2OH + HBr
2CH3—CH2OH C2H5OC2H5 + H2O

二、加成反应
CH2=CH2 + H2 CH3—CH3
CH2=CH2 + H2 CH3—CH3
CH2=CH2+HCl→CH3—CH2Cl
CH2=CH2+ H2O CH3—CH2OH
CH CH+ H2 CH2=CH2
CH CH+ 2H2 CH3—CH3
CH CH+HCl CH2=CHCl
+ 3H2
R CHO + H2 R—CH2OH
CH3 CHO + H2 CH3—CH2OH
OH + 3H2 OH
(C17H33COO)3C3H5 + 3H2 (C17H35COO)3C3H5
三、氧化反应
CxHy+(x+ )O2 xCO2+ H2O
CH4+2O2 CO2+2H2O
2CH2=CH2 + O2 2CH3CHO
2C2H2+5O2 4CO2+2H2O
2C6H6+15O2 12CO2+6H2O
2CH3—CH2OH + O2 2CH3 CHO + 2H2O
2CH3CHO + O2 2CH3COOH
RCHO+2Cu(OH)2 R—COOH+Cu2O↓+2H2O
CH3 CHO+ 2Cu(OH)2 CH3COOH + Cu2O↓+2H2O
CH3 CHO+2Ag(NH3)2OH CH3COONH4+2Ag↓
+3NH3+2H2O
CH2OH (CHOH)4CHO+2Ag(NH3)2OH
CH2OH (CHOH)4 COOH+2Ag+4NH3+H2O
四、水解反应
CH3-CH2-Br + H2O CH3—CH2OH + HBr
RCOOR'+H2O RCOOH+HOR'
RCOOR'+ NaOH RCOONa+HOR'
CH3COOC2H5 + H2O CH3COOH + C2H5OH
CH3COOC2H5 + NaOH CH3COONa + C2H5OH
(C17H35COO)3C3H5+3H2O 3C17H35COOH
+C3H5(OH)3
(C17H35COO)3C3H5 +3 NaOH 3C17H35COONa
+C3H5(OH)3

(C6H10O5)n+nH2O nC6H12O6
(淀粉) (葡萄糖)
C12H22O11+H2O C6H12O6 + C6H12O6
(蔗糖 ) (葡萄糖) (果糖)
C12H22O11+H2O 2C6H12O6
(麦芽糖) (葡萄糖)
(C6H10O5)n+nH2O nC6H12O6
(纤维素 ) (葡萄糖)
五、酯化反应
CH3COOH + HOC2H5 CH3COOC2H5 + H2O
RCOOH+HOR' RCOOR'+H2O
CH3COOH + H18OC2H5 CH3CO18OC2H5 + H2O
3C17H35COOH+C3H5(OH)3 (C17H35COO)3C3H5+3H2O
六、消去反应
CnH2n+1X+NaOH CnH2n+NaX+H2O
CH3CH2Br+NaOH CH2=CH2↑+NaBr+H2O
CH3—CH2OH CH2=CH2+ H2O
七、加聚反应
n CH2=CH2 〔— CH2—CH2 〕— n

八、缩聚反应
nHO-CH2-CH2-COOH 〔— O- CH2-CH2 -C〕— n +nH2O
九、裂化反应
CH4 C+2H2
C16H34 C8H18+C8H16
C8H18 C4H10+C4H8
C4H10 C2H6+C2H4
C4H10 CH4+C3H6
十、置换反应
2CH3—CH2OH + 2Na 2CH3—CH2ONa + H2↑
2 OH + 2Na 2 ONa + H2↑
2CH3COOH+2Na 2CH3COONa+H2↑
十一、其它反应
OH + NaOH ONa + H2O
ONa + CO2 + H2O OH + NaHCO3
CH3COOH+NaOH CH3COONa+H2O
2CH3COOH+CuO (CH3COO)2Cu+H2O
2CH3COOH+Na2CO3 2CH3COONa+CO2↑+H2O
有机离子反应
2CH3COOH+Cu(OH)2 2CH3COO-+Cu2++2H2O
2CH3COOH+CaO Ca2++2CH3COO-+H2O
2CH3COOH+Zn Zn2++H2↑+2CH3COO-
2CH3COOH+CaCO3 Ca2++2CH3COO-+CO2↑+H2O
O- + CO2 + H2O OH + HCO3-

回答4:

有机反应方程式
(一)烷烃
CH4 +2O2 CO2 + 2H2O
CH4 + 2Cl2 CH2Cl2 + 2HCl
CH4 + 3Cl2 CHCl3+ 3HCl
CH4 + 4Cl2 CCl4 + 4HCl
CH4 C + 2H2

(二)烯烃
C2H4 + 3O2 2CO2 + 2H2O
CH2=CH2 + Br2 CH2BrCH2Br
CH2=CH2 + H2O CH3CH2OH
CH2=CH2 +H2 CH3CH3
CH2=CH2 +HCl CH3CH2Cl
n CH2=CH2
CH3CH2OH CH2=CH2↑ + H2O

(三)炔烃
CaC2 + 2H2O C2H2↑ + Ca(OH)2
2C2H2 + 5O2 4CO2 + 2H2O
CH≡CH + Br2 CHBr=CHBr
CHBr=CHBr + Br2 CHBr2CHBr2
CH≡CH +HCl H2C=CHCl
n H2C=CHCl

(四)芳香烃
2C6H6+15O2 12CO2 + 6H2O
+ Br2 + HBr
+HO-NO2 + H2O
+ HO-SO3H + H2O
+ 3H2
+3HONO2 +3H2O

(五)、石油
C16H34 C8H18 + C8H16

(六)、卤代烃
CH3CH2Br + H2O CH3CH2OH + HBr
CH3CH2Br +NaOH CH2=CH2 + NaBr + H2O

(七)、醇类
CH2=CH2 + H2O CH3CH2OH
2CH3CH2OH + 2Na 2CH3CH2ONa + H2↑
2CH3CH2OH + O2 2CH3CHO + 2H2O

<1> 2Cu + O2 2 CuO
<2> CH3CH2OH + CuO CH3CHO + H2O + Cu
CH3CH2OH CH2=CH2↑ + H2O
CH3CH2OH CH3CH2OCH2CH3 + H2O

(八)、酚类
+ NaOH + H2O
+ H2O + H3O+
+ CO2 + H2O + NaHCO3
+3Br2 ↓ + 3HBr

(九)、醛类
CH3CHO + H2 CH3CH2OH
2CH3CHO + O2 2CH3COOH
CH3CHO + 2Ag(NH3)2OH CH3COONH4 + 2Ag↓ + 3NH3 + H2O
CH3CHO + 2Cu(OH)2 CH3COOH + Cu2O↓ + 2H2O

(十)、羧酸
CH3COOH + CH3CH2OH CH3COOCH2CH3 + H2O
HCOOH + CH3OH HCOOCH3 + H2O
CH3COOCH2CH3 + H2O CH3COOH + CH3CH2OH

(十一)、糖类
C6H12O6 + 6O2 6CO2 + 6H2O
C6H12O6 (s) + 6O2(g) = 6CO2(g) + 6H2O(l); △H= - 2800 kJ•mol-1
CH2OH(CHOH)4 + H2 CH2OH(CHOH)4CH2OH
CH2OH(CHOH)4CHO + 2Ag(NH3)2OH CH2OH(CHOH)4COONH4 + 2Ag↓ + 3NH3 + H2O
CH2OH(CHOH)4CHO + 2Cu(OH)2 CH2OH(CHOH)4COOH + Cu2O↓ + 2H2O
C6H12O6 2CH3CH2OH + 2CO2
C6H12O6 2CH3CHOHCOOH + 2CO2
C12H22O11(蔗糖) + H2O C6H12O6(葡萄糖) + C6H12O6(果糖)
C12H22O11(麦芽糖) + H2O 2C6H12O6(葡萄糖)
(C6H10O5)n (淀粉) + nH2O n C6H12O6(葡萄糖)
(C6H10O5)n (纤维素) + nH2O n C6H12O6(葡萄糖)

(十二)、油脂

(十三)、氨基酸
+ +H2O
+ + H2O

+ + H2O

+ + H2O