Displacement in tandem bottles

medicine dropper, three 2-02 wide mouth clear-glass ... burner, 10 mm glass tubing 20 cms long. Prepa~ation: Push loose plugs of glass wool one-third ...
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Observations: The free halogens are liberated and color t,he CClp yellow (CIS), reddish brown (Br2) and violet (I2) respectively. Reference:

FURST,A., J. CHEM.EDUC., 24,445 (1947) Dem. 588-By

To show:

Electmlysis of MX

Electrolysis of IiBr or IiI

Materials: E-1 with U-tube SD-17-T and two Ptelectrodes SD-17-R; I