The colloidal solutions of gold prepared by different methods have different colors due…
Chemistry · JEE Advanced · NTA Exams — Surface Chemistry
The colloidal solutions of gold prepared by different methods have different colors due to:
- difference in the size of colloidal particles
- the fact that gold exhibits variable valancy
- Different concentration of gold
- Presence of different types of foreign particles.
Answer
(A) difference in the size of colloidal particles
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