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प्रश्न
Give two examples of unidentate ligand.
उत्तर
- Cl−
- H2O
- NH3
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संबंधित प्रश्न
Write IUPAC names of the following compounds
Write the IUPAC name of the following complex : [Co(NH3)5(CO3)]Cl.
Write the structures of compounds A, B and C in the following reactions:
Write the IUPAC names of the following coordination compounds:
[Cr(NH3)4(H2O)2]Cl3
Write structures of compounds A and B of the following reaction :
Which of the following represents a chelate ligand?
In which of the following compounds the oxidation state of the nickel atom is 0?
What is the coordination number of chromium in \[\ce{[Cr(NH3)2(H2O2)2]Cl3}\]?
Match the coordination compounds given in Column I with the central metal atoms given in Column II and assign the correct code:
| Column I (Coordination Compound) | Column II (Central metal atom) |
| A. Chlorophyll | 1. rhodium |
| B. Blood pigment | 2. cobalt |
| C. Wilkinson catalyst | 3. calcium |
| D. Vitamin B12 | 4. iron |
| 5. magnesium |
Assertion: \[\ce{Cr(H2O)6]Cl2 and [Fe(H2O)6]Cl2}\] are reducing in nature.
Reason: Unpaired electrons are present in their d-orbitals.
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).
The following ligand is:
The correct order of the spin-only magnetic moment of metal ions in the following low spin complexes,
\[\ce{[V(CN)6]^{4-}, [Fe(CN)6]^{4-}, [Ru(NH3)6]^{3+} and [Cr(NH3)6]^2}\] is:
Assertion (A): EDTA is a hexadentate ligand.
Reason (R): EDTA has 2 nitrogen and 4 oxygen donor atoms.
What is meant by the chelate effect? Give an example.
In the complex ion \[\ce{[CoCl(en)2ONO]+}\], the coordination number and the oxidation number of the central metal ion are ______ and ______.
Explain the following, giving two examples:
Homoleptic
What is meant by didentate ligand?
