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| 1. |
Out of MgCl_2 and AlCl_3, which one is more effective in causing coagulation of negatively charged sol and why? |
| Answer» Solution :`AICI_3` is more effective in causing coagulation of negatively charged sol. This is because `Al^(3+)` ion carries greater POSITIVE charge than `MG^(2+)` ion. According to Hardy-Schulze RULE, greater the charge on an ion, greater is the capability to coagulate oppositely charged sol. | |