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高考中的 氧化还原反应 PowerPoint PPT Presentation


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高考中的 氧化还原反应. 高考考纲. 2010 年:了解氧化还原反应的本质是电子的转移。了解常见的氧化还原反应。 2011 年:了解氧化还原反应的本质是电子的转移。了解常见的氧化还原反应。 掌握常见氧化还原反应的配平及相关计算。. 考试题型一:离子共存中的氧化还原反应 ( 2010广东理综化学 ). 7 .能在溶液中大量共存的一组离子是 A . NH 4 + 、 Ag + 、 PO 4 3- 、 Cl - B . Fe 3+ 、 H + 、 I - 、 HCO 3 - C . K + 、 Na + 、 NO 3 - 、 MnO 4 -

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高考中的 氧化还原反应

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4710878


4710878

  • 2010

  • 2011


4710878

2010

7

ANH4+Ag+PO43-Cl-

BFe3+H+I-HCO3-

CK+Na+NO3- MnO4-

DAl3+Mg2+SO42-CO32-

C


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2011

8.

A. HINO3SiO32

B. AgFe3ClSO42

C. KSO42Cu2NO3

D. NH4OHClHCO3

C


N a 2010

NA2010

8NA

A16gCH44NAC-H

B1mol/LNaClNANa+

C1molCuNANO

D22.4LCO2NACO2

A


N a 2011

NA2011

9.nA

A23g NO2nA

B1L0.1molL-10.1nAOH

C22.4LCCl4nACCl4

D1molFe2+ H2O22nA

A


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2010

239

A

Zn - 2e-=Zn2+

B

Zn+Cu2+=Zn2+ +Cu

C

D K+ZnSO4

BC


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2011

D

122

Aab

Bab

Cu2+2e-= Cu

Cab

Dab

Cu2


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201131113469.0

A

BCl2

C

D1molN26mol

3Cl2+2NH3=N2+6HCl HCl+NH3=NH4Cl

C


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C3N3(OH)3NO2

C3N3(OH)3====3HNCO

8HNCO+6NO2====7N2+8CO2+4H2O

HNCOHNCO

A.C3N3OH3HNCO

B.HNCO

C.1 mol NO24 mol

D.NO2

C


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2011

32

1MnO2MnSO4

MnO22FeSO42H2SO4MnSO4Fe2(SO4)32H2O


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2011

321690oC

ClO2NaClO2

22SO22

2ClO2SO24OH2ClO2SO422H2O


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2011

321690oC

5NaClO3NaClO4HClO4

H2O + ClO3- - 2e-= ClO4- + 2H+


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2011

32

NaCl

Al(NaH2)

Cl2HCl

Cl2HClAlCl3

AlCl3

NaCl801AlCl3181


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Al2O32Fe

2AlFe2O3

2Al2O33Si

4Al3SiO2

1

2Cl2Cl2

HClAlCl3

NaCl


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3A

4AlCl4Al2Cl7

Cl22OH=ClClOH2OH++OHH2O

Al-3e- + 7AlCl4=4 Al2Cl7

4 Al2Cl7 +3e- = Al +7 AlCl4


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5


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2010

33MnO2Cl2SO2NaOH

1SO2NaOHSO2+2NaOH = ________________

2Cl2+Na2SO3+2 NaOH

===2NaCl+Na2SO4+H2O________________

Na2SO3+H2O

Na2SO3


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3Cl-OH-SO42-CO2

1SO32-

2SO32-ClO-

3_____________

ClO-


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3molL-1H2SO41molL-1NaOH0.01molL-1KMnO4-KI


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KMnO4KMnO4MnO(OH)2KMnO4

I. KMnO41 h

II. MnO(OH)2

III. KMnO4


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IV. 700C800CH2C2O42H2O MnO4-(H+)Mn2+ H2C2O4 CO2


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1KMnO4 H2C2O4

2700C800C

325.00 mLKMnO4

6H++2MnO4-+5H2C2O4=2Mn2++10CO2 +8H2O


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4W g500 mL25.00 mLV mL

KMnO4

molL1

1KMnO4

W/6.3V


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5KMnO4Fe2


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