Question

Gold sol is not

• A. a macromolecular colloid
• B. a lyophobie colloid
• C. a multimolecular colloid
• D. negatively charged colloid

Answer 1

Answer: (C)

Gold sol or colloidal gold is a sol or colloidal suspension of nanoparticles of gold in a fluid, usually water.
These are macromolecular and lyophobic colloid. Gold sol is a negatively charged colloid and nanomolecular colloid.