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Question
Does ionization isomer for the following compound exist? Justify your answer.
\[\ce{Hg[Co(SCN)4]}\]
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Solution
No, ionization isomers are possible by exchange of ligand with counter ion only and not by exchange of central metal ion.
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RELATED QUESTIONS
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:
What is the coordination number of chromium in \[\ce{[Cr(NH3)2(H2O2)2]Cl3}\]?
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 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
The co-ordinate number and the oxidation state of the element E in the complex [E(en)2(C2O4)]NO2 are respectively?
Assertion (A): EDTA is a hexadentate ligand.
Reason (R): EDTA has 2 nitrogen and 4 oxygen donor atoms.
Explain the following, giving two examples:
Coordination polyhedron
