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Question: Answered & Verified by Expert
Which one of the following is correct?
ChemistrySurface ChemistryAP EAMCETAP EAMCET 2017 (26 Apr Shift 2)
Options:
  • A $\mathrm{As}_2 \mathrm{~S}_3$ is a positively charged sol.
  • B The refractive indices of the dispersed phase and the dispersion medium differ greatly in magnitude to observe Tyndall effect.
  • C Ultra microscope provides information about the size and shape of colloidal particles.
  • D Finest gold sol is green in colour.
Solution:
2225 Upvotes Verified Answer
The correct answer is: The refractive indices of the dispersed phase and the dispersion medium differ greatly in magnitude to observe Tyndall effect.
No solution. Refer to answer key.

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