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Topic: Chromium Alum reaction  (Read 1847 times)

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Offline peterhitter

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Chromium Alum reaction
« on: December 06, 2014, 07:37:58 AM »
Hi everyone
I would like to ask what products are formed when chrome alum (K2SO4*Cr2(SO4)3*24H2O) reacts with Ba(NO3)2
I assume this is a double displacement reaction and I was given that some precipitate was formed during this reaction.
Thanks for help
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Offline Vidya

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Re: Chromium Alum reaction
« Reply #1 on: December 06, 2014, 08:25:14 AM »
You know that barium sulfate is insoluble and nitrates of all compounds are soluble.Nitrates of potassium and chromium and their sulfates are soluble.Only insoluble is BaSO4(white precipitates)
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Offline peterhitter

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Re: Chromium Alum reaction
« Reply #2 on: December 06, 2014, 08:34:56 AM »
Thanks and do you happen to know the second product ? This one I have guessed but I don't know whether K2Cr2(NO3)2 was formed or if something else was created.
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Offline Vidya

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Re: Chromium Alum reaction
« Reply #3 on: December 06, 2014, 08:45:30 AM »
 potassium nitrate , Chromium nitrate and barium sulfate
Try to make the formula yourself
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