ƒµ½¬¹ ±¸´·³¼µ½·...

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    21-Jul-2015
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  • .

    :

  • , , .

  • * : () . . .

  • *

    : ++ . - - .

  • * AgNO3 ( ). ( ) ;

  • * , .. (Zn) (Cu), ( Ag) ;

    ;Cu(s) +2AgNO3(aq) 2Ag(s)+Cu(NO3)2

  • * - 12 16 :Zn ( ) Cu (): CuSO4 5H2O 0,2M AgNO3 0,2M HCl 2M Ba(3)2 0,2M

  • * . ( ).

    Ba(NO3)2AgNO3CuSO4HClZnCu

  • * & . 3-4 Ba(NO3)2 1. 3-4 AgNO3 2. 3-4 CuSO4 3. 3-4 HCl 4. .

  • * +

    Ba(NO3)2AgNO3CuSO4HClZn+++Cu+

  • * (1) Zn :Ba Ag Cu H .... ... Zn >,.., Cu :Ba Ag H .... .... Cu >..

  • * (2) HCl :Cu Zn H+ : Zn >>... Cu Zn Ba(NO3)2. ;...

  • * (1) Zn :Ba Ag Cu H Ag, Cu & H+ . Zn >Cu, H, Ag Cu :Ba Ag H Ag Cu (s) +2AgNO3(aq) 2Ag (s)+Cu(NO3)2 Cu>Ag

  • * (2) HCl :Cu Zn H+ : Zn > H >Cu Cu Zn Ba(NO3)2. ;T Ba Ba>Zn>H>Cu>Ag

  • * () . ; , . . . Mg . .

  • , , . petri

  • 3

    2

    1

    NaOCl+HCl

    Petri

    KBr

    KI

    NaCl

  • 3

    2

    1

    NaOCl+HCl

    Cl2 Br2 I2

    KBr

    KI

    NaCl