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प्रश्न
Explain the following, giving two examples:
Coordination number
Explain with two examples of the following:
Coordination number
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उत्तर
It is the number of ligand donor atoms to which the metal is directly bonded. For example:
- [Cu(NH3)4]2+: In this complex, the coordination number of copper (Cu2+) is 4 because there are four ammonia (NH3) molecules bonded to the metal ion.
- [Fe(CN)6]4−: Here, the coordination number of iron (Fe2+) is 6, as six cyanide (CN−) ions are coordinated to the iron ion.
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संबंधित प्रश्न
Classify the following ligands into monodentate and polydentate —
- Ammonia
- Carbon monoxide
- Ethylene diamine
- Ethylene diamine tetra acetate ion
What is meant by unidentate ligand?
Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complex:
[Mn(H2O)6]SO4
IUPAC name of the following compound is

(a) 3 - Bromo- 3, 4- dimethylheptane
(b) 3, 4- dimethyl - 3- bromoheptane
(c) 5- Bromo- 4, 5- dimethylheptane
(d) 4, 5- dimethyl- 5- bromoheptane
Write the structures of compounds A, B and C in the following reactions:

Write the IUPAC name of the following coordination compound:
[PtCl2(NH3)4][PtCl4]
Write structures of compounds A and B of the following reaction :

The coordination number of the central ion may be obtained from:
In which of the following compounds the oxidation state of the nickel atom is 0?
Which of the following is non-ionizable?
When 1 mol \[\ce{CrCl3.6H2O}\] is treated with excess of \[\ce{AgNO3}\], 3 mol of \[\ce{AgCl}\] are obtained. The formula of the complex is ______.
Which of the following complexes are homoleptic?
(i) \[\ce{[Co(NH3)6]^{3+}}\]
(ii) \[\ce{[Co(NH3)4 Cl2]^{+}}\]
(iii) \[\ce{[Ni(CN)4]^{2-}}\]
(iv) \[\ce{[Ni(NH3)4Cl2]}\]
Which one of the following does not achieve an octet of electrons in the central atom?
The co-ordinate number and the oxidation state of the element E in the complex [E(en)2(C2O4)]NO2 are respectively?
Metal attached with EDTA in an octahedral complex, has coordination number ______.
The equivalents of ethylene diamine required to replace the neutral ligands from the coordination sphere of the trans-complex of CoCl3.4NH3 is ______. (Round off to the Nearest Integer).
What is meant by the chelate effect? Give an example.
Explain the following, giving two examples:
Homoleptic
Give two examples of didentate ligands.
Statement I: [Co(NH3)6]3+ is a homoleptic compleх whereas [Co(NH3)4Cl2]+ is a heteroleptic complex.
Statement II: Complex [Co(NH3)6]3+ has only one kind of ligands but [Co(NH3)4Cl2]+ has more than one kind of ligands.
In the light of the above statements, Choose the correct answer form the options given below.
