Q.
The stabilization of a dispersed phase in a lyophobic colloidal sol is due to
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a
the adsorption of charged substances on dispersed phase
b
the formation of an electrical layer between two phases
c
the large electro-kinetic potential developed in the colloid
d
the viscosity of the medium
answer is B.
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Detailed Solution
There is adsorption of common ion on the colloidal sol and an electrical double layer is formed. Thus, dispersed phase in a lyophobic colloidal sol is stabilized.Fe(OH)3Fe3+ ⋮ 3Cl− Fixed part Mobile part
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