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प्रश्न
What is a chelate complex?
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उत्तर
When a di- or polydentate ligand uses its two or more donor atoms simultaneously to bind a single metal ion, it is said to be a chelate ligand. Such complexes are called chelate complexes.
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संबंधित प्रश्न
Explain the following, giving two examples:
Coordination entity
Following compounds are given to you :
2-Bromopentane, 2-Bromo-2-methylbutane, 1-Bromopentane
1) Write the compound which is most reactive towards SN2 reaction.
2) Write the compound which is optically active.
3) Write the compound which is most reactive towards β-elimination reaction.
The correct \[\ce{IUPAC}\] name of \[\ce{[Pt(NH3)2Cl2]}\] is ______.
Which of the following complexes are heteroleptic?
(i) \[\ce{[Cr(NH3)6]^{3+}}\]
(ii) \[\ce{[Fe(NH3)4]Cl2]^+}\]
(iii) \[\ce{[Mn(CN)6]^{4-}}\]
(iv) \[\ce{[Co(NH3)4]Cl2]}\]
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 |
Oxidation number of cobalt in K[Co(CO)4] is
What is meant by the chelate effect? Give an example.
Give two examples of didentate ligands.
Give two examples of ambidentate ligands.
