Lyophilic sols | Lyophobic sols |
Reversible | Irreversible |
The particles are solvated. | The particles are not solvated. |
They are self stabilized. | They are not self stabilized hence they require stabilizer. |
They are obtained from organic materials such as starch. | They are obtained from inorganic materials such as metals. |
They are quite stable and are not easily coagulated by addition of electrolyte. | They are quite unstable and are easily coagulated by addition of electrolyte by heating or agitation. |