Question
Question: Colloidal solution of gold prepared by different methods of different colours because of :...
Colloidal solution of gold prepared by different methods of different colours because of :
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(a) Different diameters of colloidal gold particles
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(b) Variable valency of gold
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(c) Different concentration of gold particles
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(d) Impurities produced by different methods
Explanation
Solution
(a)
Sol. Different colloidal particle will provide different colour to the sol.