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氯气的性质 PowerPoint PPT Presentation


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氯气的性质. 游泳池. 自来水用 氯气 消毒. 氯气的物理性质. 观察思考. 有刺激性气味. 有毒. 氯气的物理性质. 黄绿色气体. 密度比空气大. 易液化. 想一想. 怎样闻氯气.  闻氯气的方法是: ( 招气入鼻) 用手轻轻地在瓶口扇动,仅使极少量的氯气飘进鼻孔。  注意 : 这是闻各种气体气味的方法。. 返回. 2. 8. 7. +17. 易得电子. Cl. Cl -. 氯气的化学性质. 1. 与金属反应. 在点燃或灼热条件下,氯气可与 多种金属直接化合生成氯化物. Na. Cu. Fe.

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氯气的性质

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(

:


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2

8

7

+17

Cl

Cl -


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1.

Na

Cu

Fe

NaCl2

FeCl2

CuCl2


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:


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H2 + Cl2 2HCl

H2 + Cl2 2HCl

2.


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2P+ 5Cl2 2PCl5

2.

2P+ 3Cl2 2PCl3(

PCl3 + Cl2 PCl5 (


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3.


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Cl- ?

Cl-


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H+?

1

H+


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H+?

2

H+


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1

Cl2

2


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2HClO 2HCl+O2

Cl2 + H2O HCl + HClO

:

H2OCl2HClHClO

H+


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+1

Cl2 + H2O HCl + HClO

a

2HClO 2HCl+O2

b

3.

:,

  • HClO


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Cl2

Cl2HClOH2O

H2O

H+Cl

H+ClClO

HClO

,


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4.

Cl2 + 2NaOH = NaCl + NaClO +H2O

8

2Cl2 + 2Ca(OH)2 = Ca(ClO)2 + CaCl2 + 2H2O

Ca(ClO)2 + CO2 + H2O= CaCO3 + 2HClO


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0.1mg/m3mg/m30.03mg/m3


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1.

A.

B.3.17g/L

C.

D.


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2

ACl2H2O

BCl2

CCl2

D


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3( )

A B

C D

4( )

AAlCl3 BNaCl CFeCl2 DCuCl2

5( )

A B

C D

CD

C

C


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44


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6.

NaOHAgNO3 Na2CO3 FeCl2

A B

C D


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a

aCl2

bc

bc

d

ANaOH

BH2SO4

C

D Ca(OH)2

C

aCl2bcbcd

ABD


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8Cl2

ANaOH BNaCl

CKBr DNa2CO3


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