A) presence of basic group
B) preferential adsorption of \[O{{H}^{-}}\] ion
C) self dissociation
D) electron capture by sol particles
Correct Answer: B
Solution :
\[\times \]\[R=\sqrt{2gd}\times \sqrt{\frac{2h}{g}}\] \[{{R}^{2}}=2dg\times \frac{2h}{g}=4dh\] ions having similarity with \[\therefore \] will be adsorbed on the surface of \[d=\frac{{{R}^{2}}}{4h}\] to form an electrical double layer.
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