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Topic: Halogens (Read 2810 times)
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cocogurl55
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Halogens
«
on:
December 07, 2007, 12:47:20 AM »
When halogens such as bromine, chloride, and iodide are presented in water solution do they maintain there color or do they become clear?
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Dan
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Re: Halogens
«
Reply #1 on:
December 07, 2007, 08:29:22 AM »
The halogens themselves are only sparingly soluble in water (iodine being almost insoluble in water). When you mix a halogen with water you get equilibriums of this type:
X
2
+ H
2
O <----> XOH + HX
The X
2
present in solution will give you colour. "Bromine water" is orange for example. Cl
2
in water (bleach) is very pale green.
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Re: Halogens
«
Reply #2 on:
December 09, 2007, 04:44:56 PM »
Quote
Cl2 in water (bleach) is very pale green.
I thought bleach was NaOCl dissolved in water.
The halogens will dissolve in water, but will only form that equilibrium in sunlight.
MB
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Halogens