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प्रश्न
A coordination compound \[\ce{CrCl3.4H2O}\] precipitates silver chloride when treated with silver nitrate. The molar conductance of its solution corresponds to a total of two ions. Write structural formula of the compound and name it.
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उत्तर
If it forms silver chloride then there is one free chlorine atom outside the coordination sphere. The structural formula has to be \[\ce{[Cr(H2O)4Cl2]Cl}\]. The name of this complex is tetraaquadichlorido chromium (III) chloride.
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संबंधित प्रश्न
Classify the following ligands into monodentate and polydentate —
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K3[Co(C2O4)3]
Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complex:
cis-[CrCl2(en)2]Cl
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(c) 5- Bromo- 4, 5- dimethylheptane
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Match the complex ions given in Column I with the colours given in Column II and assign the correct code:
| Column I (Complex ion) | Column II (Colour) |
| A. \[\ce{[Co(NH3)6]^{3+}}\] | 1. Violet |
| B. \[\ce{[Ti(H2O)6]^{3+}}\] | 2. Green |
| C. \[\ce{[Ni(H2O)6]^{2+}}\] | 3. Pale blue |
| D. \[\ce{(Ni(H2O)4 (en)]^{2+} (aq)}\] | 4. Yellowish orange |
| 5. Blue |
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