Purple of Cassius is:
Correct answer: B. Colloidal solution of gold
- A. A solution of AgNO3 in HNO3
- B. Colloidal solution of gold
- C. A colloidal solution of platinum
- D. A colloidal solution of palladium
Explanation
Purple of Cassius is colloidal solution of gold. It is formed by the reaction of gold salts with tin(II) chloride.
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