explain the preparation of sulphur Sol
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Oxidation sulphur sol is prepared by passing H2S into SO2. H2S + SO2 → S (sol) + H2O. Reduction of AuCl3 with formaldehyde gives gold sol. AuCl3+ HCHO + 3H2O → Au (sol) + 3HCOOH + 6HCl.
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Explanation:
Oxidation sulphur sol is prepared by passing H2S into SO2. H2S + SO2 → S (sol) + H2O. Reduction of AuCl3 with formaldehyde gives gold sol. AuCl3+ HCHO + 3H2O → Au (sol) + 3HCOOH + 6HCl.
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