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प्रश्न
What is meant by unidentate ligand?
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उत्तर
When a ligand is bound to a metal ion through a single donor atom, the ligand is called unidentate.
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संबंधित प्रश्न
Classify the following ligands into monodentate and polydentate —
- Ammonia
- Carbon monoxide
- Ethylene diamine
- Ethylene diamine tetra acetate ion
Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complex:
cis-[CrCl2(en)2]Cl
Write applications of co-ordination compounds in medicine and electroplating.
Write structures of compounds A, B and C in of the following reactions
Complete the following reactions
NH3+3Cl2(excess) ---->
The ligand triethylenetetramine is _______.
When 0.1 mol \[\ce{CoCl3 (NH3)5}\] is treated with excess of \[\ce{AgNO3}\], 0.2 mol of \[\ce{AgCl}\] are obtained. The conductivity of solution will correspond to ______.
The stabilisation of coordination compounds due to chelation is called the chelate effect. Which of the following is the most stable complex species?
Identify the correct statements for the behaviour of ethane-1, 2-diamine as a ligand.
(i) It is a neutral ligand.
(ii) It is a didentate ligand.
(iii) It is a chelating ligand.
(iv) It is a unidentate ligand.
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.
A complex of the type \[\ce{[M(AA)2X2]^{n+}}\] is known to be optically active. What does this indicate about the structure of the complex? Give one example of such complex.
Match the compounds given in Column I with the oxidation state of cobalt present in it (given in Column II) and assign the correct code:
| Column I (Compound) | Column II (Oxidation state of Co) |
| A. \[\ce{[Co(NCS)(NH3)5](SO3)}\] | 1. + 4 |
| B. \[\ce{[Co(NH3)4 CL2]SO4}\] | 2. 0 |
| C. \[\ce{Na4[Co(S2O3)3]}\] | 3. + 1 |
| D. \[\ce{[Co2(CO)8]}\] | 4. + 2 |
| 5. + 3 |
The nature of hybridisation in the ammonia molecule is
The most stable ion 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.
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Explain the ligand.
Homoleptic complex from the following complex is ____.
