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Question
Distinguish between double salt and coordination complex.
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Solution
| Double salt | Coordination complex | |
| i. | A double salt dissociates in water completely into simple ions. | A coordination complex dissociates in water with at least one complex ion. |
| ii. | Double salts give tests for all their constituent ions. | Coordination complexes do not give tests for all their constituent ions. |
| iii. | Double salts lose their identity when dissolved in water. | Coordination complexes do not lose their identity when dissolved in water. |
| iv. | e.g. Mohr’s salt, FeSO4(NH4)2SO4.6H2O | e.g. K4[Fe(CN)6] |
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