Question
Give the difference between double salts and coordination compounds.
| Sr. No. | Double Salt | Coordination compounds |
| 1. | A double salt is’ a compound prepared by the combination of two different salt components. | A complex salt is a compound composed of a central metal atom having coordination bonds with ligands around it. |
| 2. | Completely dissociate into its ions in water. | Do not completely dissociate into its ions in water. |
| 3. | Give simple ions when added to water. | Do not give simple ions. |
| 4. | It can be easily analyzed by determining the ions present in the aqueous solution. | It cannot be easily analyzed by determining the ions in the aqueous solution. |
| 5. | Example: Potash alum $K _2 SO _4 \cdot Al _2\left( SO _4\right)_3 \cdot 24 H _2 O$ | Example: Potassium ferrocyanide $K _4\left[ Fe ( CN )_6\right]$ |
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For the cell $Mg _{( s )}\left| Mg _{( aq )}^{2+}\right|\left| Ag _{( aq )}^{+}\right| Ag _{( s )}$, calculate the equilibrium constant at 25°C and maximum work that can be obtained during operation of cell.
Given: $E _{ Mg ^{2+} \mid Mg }^0$ = −2.37 V and $E _{ Ag ^{+} \mid Ag }^0$ = 0.80 V