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ǰλãҳ > 人教版高中化学必?-1.1知识总结:学习卤素中易犯的错?- 百度文库

人教版高中化学必?-1.1知识总结:学习卤素中易犯的错?- 百度文库

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ѧϰ±׷Ĵ

±й֪ʶܶ࣬ͬѧֻעعɵձԣԣִֽɡ£

1. ClBrICa2+HƵFҲCa2+H档 FCa2+γˮCaF2FHγHFFCa2+Hܴ档

2. Fe(OH)3 + 3HCl = FeCl3 + 3H2OƵFe(OH)3 + 3HI = FeI3 + 3H2O Fe3+нǿԣIнǿԭԣ2Fe(OH)3 + 6HI = 2FeI2 +I2 + 6H2O

3. Cl2+H2O=HCl+HClOƵF2+H2O=HF+HFO

F2H2OӦʱûH2Oе2F2+2H2O=4HF+O2 4. 2Fe+3Cl2 2FeCl3Ƶ2Fe + 3I2 2FeI3

I2ԽֻܽFeΪFe2+Fe + I2 FeI2 5. NH4Cl NH3+HClƵNH4I NH3+HI HI׷ֽ⣬2NH4I 2NH3+H2 +I2

6. NaCl()+H2SO4(Ũ)=NaHSO4+HClƵNaBrNaIҲƷӦ

BrIнǿԭԣŨܽ

7. Cl2+H2O=HCl+HClOƵBrCl+H2O=HBrO+HClҲΪԭӦ BrClе +1۵Br OHϳHBrO, 1۵ClHϳHClBrClH2OķӦΪԭӦ

8. Ȼ廯⻯ˮҲϡᣬƵ Ҳˮ

ˮ޸йԡ

9. ᡢᡢᶼǿᣬƵҲǿᡣ

ڷԭӽṹص㣬ԭӰ뾶±ԭӵĶСԭӽϽܣᣬѵӡ

10. ǽڳ´壬ƵҲһɡ ڳΪɫҺ壬ΨһҺ̬ǽʡ

αⷢϵĴأӦעܽһЩԡ磺 1ԡ

1ǷǽԺǿԪأڻֻԣ1ۣۡ

2ˮӦdzң˲ܺ±ҺӦûȡ塢⡣ 3±ֻзˮ

4±ֻᣬǿᣬǿ˳ǣ

HCl?HBr?HI⡢ܸʴ 2弰仯

1dzΨһҺ̬ķǽʡ 2׻ӷ׸ʴ𽺡

3AgBrdzɫˮĹ壬ийԣེ 3⼰仯

1dzΨһʹ̬˫ԭӷǽʡ 2 3ʹ۱

4AgIнǿĸйԣ˹ꡣ

ѵһɨ

1֪FeCl2ӦFeCl3FeBr2ӦFeBr3FeI2ӦҲFeI3

Ϊ±μģҴ䵽ʱ䣬Խֻܽ۽ͼۣӦFeI2. Ʋ:ͨFeBr2 ҺкͨFeI2ҺУķӦͬ

֪ӵĻԭ˳ӦΪI->Fe2+>Br-FeBr2УӦFe2+ȱFeBr3 FeCl3FeI2I-ȱFeCl2I2 2֪HClO4޻ǿᣬHClO4>HClO3> HClO2 >HClO ʣǵԴСϵҲ

ΪԵǿ˿Ǽ̬ӰأṹȶԵȣصӰ죬ȵЩHClOǿ

3͵ڲܼͬγɵҺ±

ܼ Br2 I2 1:֪ijԪصԭΪ38ȷڱеλá

:36<38<54ġһ֣0壩ԪԭΪ36543836238ԪһλڵڣڶмڢA 𰸣ڵڢA塣

㲦ԭƶԪڱеλóõķǣÿһϡԭÿһԪص࣬ͬʱҪϤҵ18зֱӦ

2:֪17ԪλڱеڵڢA壬һͬԪXԭΪ?

λڱеڣڵԪԭڵڵĻϿǼ8ҲǼ18ڢA壬λڱĺ벿֣ӦǼ18 𰸣35

㲦ڱڵͬԪصԭ¼281832

3XYǶԪأɻX2Y3֪XԭΪnYԭǣ An?11 Bn?5 Cn?3 Dn?5 ɷʽX2Y3֪XΪ3ۣYΪ2ۣXΪAԪأYΪAԪء

1XYΪͬԪأپΪڶԪأXΪBԭΪ5 YΪԪԭΪ 538Cѡ

ھΪڣXΪAlԭΪ13YΪԪأ ԭΪ13316Cѡ

2XYͬڣXڵڶڣYڵڡXΪBԭΪ

ˮƾ ɫ ɫ ͻȻ̼ Ⱥɫ ɫ 5YΪԭΪ 51116Aѡ XڵڣYڵڶڡ

XΪAlԭΪ13YΪԭΪ 1358Bѡ 3⻹һЩ迼磺N2O3,P2O3,Cl2O3,YԭֱΪ n+1; n-7; n-9 . 㣬YԭΪn?5IJܴڡ ϰ

1.ʹƷҺɫ: ٻ̼ Na2O2 NaClO

A. ٢ڢ B.٢ڢۢ C.ڢۢ D. 2.зӦеò: A.NaHCO3 B. CO2ͨNa2O2

C.ͨˮ D.ҺMnO2

3.ʵ;ʵĶӦϵ A.ˮ---- ǿ B.廯---- շֽ C.ḯʴ---- ǿ

D.⻯˹---- ʹˮ

4ijҺClBrIʵ֮1:2:3ͨһCl2Ӧɺ󣬸ñֵΪ3:2:1ӦCl2ԭҺIʵ֮ǣ

A1:2 B1:3 C1:4 D1:6 5.±С2ĺȷһ A B C D 2 1H 2He 2Cl ԭӸ ԭӸ Ca2+ 6ȷ

40

A40 K Caԭе

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ѧϰ±׷Ĵ ±й֪ʶܶ࣬ͬѧֻעعɵձԣԣִֽɡ£ 1. ClBrICa2+HƵFҲCa2+H档 FCa2+γˮCaF2FHγHFFCa2+Hܴ档 2. Fe(OH)3 + 3HCl = FeCl3 + 3H2OƵFe(OH)3 + 3HI = FeI3 + 3H2O Fe3+нǿԣIнǿԭԣ2Fe(OH)3 + 6HI = 2FeI2 +I2 + 6H2O 3. Cl2+H2O=HCl+HClOƵF2+H2O=HF+HFO F2H2OӦʱûH2Oе2

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