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| 1. |
Out of BaCl_92) and KCl, which one is more effective inj causing coagulation of a negatively charged sollosidal sol ? Give reason. |
| Answer» SOLUTION :`BaCl_(2)` is more effective in causing coagulation of negatively charged colloidal sol because GREATER the valency of the COAGULATING ion (oppoitely charged ion), greater is its POWER to bring about coagulation (`Ba^(2+)` has GRETER velency that `K^(+)`) | |