AP EAMCET201726 Apr 2017Morning ShiftChemistrySurface ChemistryActual
Colloidal solution of gold is in different colours like red, purple, blue and golden because of
Options
- Avariable oxidation states of gold.
- Bsize difference in the particles of gold.
- Cpresence of impurities.
- Ddifference in the concentration of gold particles.
Correct answer
B. size difference in the particles of gold.
Step-by-step solution
Colloidal solution of gold show different colours (like red, purple, blue and golden) due to difference in size gold particles in colloidal solution.