InterviewSolution
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InterviewSolution
| 1. |
A freshly formed precipitate of ferrie hydroxide can be converted to a colloidal sol by shaking it with a small quantity of ferric chloride.Explain. |
| Answer» Solution :When we add `FeCl_3` to a freshly FORMED precipitate of `Fe(OH)_3`, peptisation occurs. The `Fe^(3+)` ions are adsorbed on the SURFACE of the precipitate which ultimately breaks down into SMALLER particles of colloidal SIZE. | |