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Question: Answered & Verified by Expert
Colloidal solution of gold is in different colours like red, purple, blue and golden because of
ChemistrySurface ChemistryAP EAMCETAP EAMCET 2017 (26 Apr Shift 1)
Options:
  • A variable oxidation states of gold.
  • B size difference in the particles of gold.
  • C presence of impurities.
  • D difference in the concentration of gold particles.
Solution:
1343 Upvotes Verified Answer
The correct answer is: size difference in the particles of gold.
Colloidal solution of gold show different colours (like red, purple, blue and golden) due to difference in size gold particles in colloidal solution.

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