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प्रश्न
Give two examples of unidentate ligands.
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उत्तर
- Chloride ion (Cl−)
- Ammonia (NH3)
संबंधित प्रश्न
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:
cis-[CrCl2(en)2]Cl
Which of the following compounds is used as a semipermeable membrane?
(a) Potassium ferrocyanide
(b) Potassium argentocyanide
(c) Sodium meta aluminate
(d) Copper ferrocyanide
Write applications of co-ordination compounds in medicine and electroplating.
Write structures of compounds A, B and C in of the following reactions
Write the IUPAC name of the following complex:
[Co(NH3)5(CO3)]Cl
Write structures of compounds A and B of the following reaction :
The coordination number of Cr in [Cr(NH3)3(H2O)3]Cl3 is ___________.
Which of the following complexes formed by \[\ce{Cu^2+}\] ions is most stable?
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.
Arrange the following complexes in the increasing order of conductivity of their solution:
[Co(NH3)3Cl3], [Co(NH3)4Cl2]Cl, [Co(NH3)6]Cl3, [Cr(NH3)5Cl]Cl2
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 |
Assertion: \[\ce{Cr(H2O)6]Cl2 and [Fe(H2O)6]Cl2}\] are reducing in nature.
Reason: Unpaired electrons are present in their d-orbitals.
Metal attached with EDTA in an octahedral complex, has coordination number ______.
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\[\ce{[V(CN)6]^{4-}, [Fe(CN)6]^{4-}, [Ru(NH3)6]^{3+} and [Cr(NH3)6]^2}\] is:
Glycinato ligand is ______.
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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 ______.
