KCET · Chemistry · Surface Chemistry
The stability of a lyophobic colloid is due to
- A adsorption of covalent molecules on the colloid
- B the size of the particles
- C the charge on the particles
- D Tyndall effect
Answer & Solution
Correct Answer
(C) the charge on the particles
Step-by-step Solution
Detailed explanation
The stability of a lyophobic colloidal solution is due to the fact that the colloidal particles in the sol are electrically charged. The particles, therefore repel one another and do not coalesce (come close together) to form large non-colloidal particles Colloidal particles carry either positive or negative charge. All the dispersed particles in a colloidal solution carry the same charge while the dispersion medium has an equal and opposite charge.
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