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प्रश्न
What are Homoleptic complexes?
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उत्तर
The complex compounds in which all the ligand which are connected with central atom are same or identical are called homoleptic complexes. For example: [Ni(CO4], [Co(NH3)6]+3.
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संबंधित प्रश्न
What is the coordination entity formed when excess of aqueous KCN is added to an aqueous solution of copper sulphate? Why is it that no precipitate of copper sulphide is obtained when H2S(g) is passed through this solution?
Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complex:
K3[Co(C2O4)3]
Write applications of co-ordination compounds in medicine and electroplating.
Write the structures of compounds A, B and C in the following reactions
The stabilisation of coordination compounds due to chelation is called the chelate effect. Which of the following is the most stable complex species?
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.
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 |
Oxidation number of cobalt in K[Co(CO)4] is
The most stable ion is ______.
Explain the following, giving two examples:
Coordination polyhedron
