Which one of the following statements is FALSE for hydrophilic sols ?
 
Option: 1 Their viscosity is of the order of that of H_{2}O.
 
Option: 2 The sols cannot be easily coagulated.
 
Option: 3 They do not require electrolytes for stability.
 
Option: 4 These sols are reversible in nature.

Answers (1)

The viscosity of hydrophilic sol > viscosity of H2O.

Hydrophilic sol is more stable so can't be easily coagulated.

Hydrophilic sols are reversible sols.

No electrolytes are required to stabilise hydrophilic sol.

Therefore, option(1) is correct.

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