by captain rolo on October 26th, 2009

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Explain briefly why insoluble AgCl is soluble in ammonia solution and sodium thiosulfate solution, why the colour on Co(2+) in aqueous solution changes on addition of HCl and why the colour of Fe(3+) changes in the presence of NCS-

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by Jahono on October 27th, 2009
Briefly: AgCl reacts in those solutions to form soluble products. The colours change because a reaction occurs where the products are different ions (Co and Fe with different charges).
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Why is AgCl soluble in sodium thiosulfate

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Why is insoluble AgCl soluble in ammonia solution and sodium thiosulfate solution

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Explain briefly why insoluble AgCl is soluble in ammonia solution and sodium thiosulfate solution, why the colour on Co(2+) in aqueous solution changes on addition of HCl and why the colour of Fe(3+) changes in the presence of NCS-

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Explain briefly why insoluble AgCl is soluble in ammonia solution and sodium thiosulfate solution, why the colour on Co(2+) in aqueous solution changes on addition of HCl and why the colour of Fe(3+) changes in the presence of NCS-

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