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Question
The fresh precipitate can be transformed in colloidal solution by :
The fresh precipitate can be transformed in colloidal solution by :
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Solution
The correct option is A Peptization
The process of converting a precipitate into colloidal sol by shaking with dispersion medium in the presence of a small amount of electrolyte is called peptization.
Process of peptization:
The precipitate adsorbs electrolyte ions on its surface. This causes the development of positive or negative charge on precipitates, which ultimately break up into smaller particles of colloid size.
Example:
Freshly precipitated Fe(OH)3 is shaken with aqueous solution of FeCl3.
The process of converting a precipitate into colloidal sol by shaking with dispersion medium in the presence of a small amount of electrolyte is called peptization.
Process of peptization:
The precipitate adsorbs electrolyte ions on its surface. This causes the development of positive or negative charge on precipitates, which ultimately break up into smaller particles of colloid size.
Example:
Freshly precipitated Fe(OH)3 is shaken with aqueous solution of FeCl3.
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