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TS EAMCET · Chemistry · Surface Chemistry

The sol prepared by Bredig's Arc method is X and the charge of sol particles of it is q. \(\mathrm{X}\) and q are respectively.

  1. A Metal sol, -ve
  2. B Metal sol, +ve
  3. C Metal sulphide sol, -ve
  4. D \(\mathrm{TiO}_2\) sol, +ve
Verified Solution

Answer & Solution

Correct Answer

(A) Metal sol, -ve

Step-by-step Solution

Detailed explanation

Bredig's Arc (Electrical disintegration) method is used to prepare colloidal sals of metals such as gold, silver, platinum etc... In this method, electric arc is struck between electrodes of the metal immersed in the dispersion medium. The intense heat produced vapourises the…