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Class 12ChemistrySurface ChemistryColloids, Emulsion, Gel and Their properties with application
Medium

What type of reaction is used to obtain $Au$ (sol)?
Reaction: $2AuCl_3 + 3HCHO + 3H_2O \rightarrow 2Au (sol) + 3HCOOH + 6HCl$

  • A
    Double decomposition
  • B
    Reduction
  • C
    Oxidation
  • D
    Hydrolysis
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Class 12 Questions

Class 12

Chemistry Questions

Chapter

Surface Chemistry

Subtopic

Colloids, Emulsion, Gel and Their properties with application

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