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प्रश्न
What are the high-spin complexes?
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उत्तर
When crystal field splitting energy is smaller than electron pairing energy, the complexes formed are high-spin complexes.
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संबंधित प्रश्न
On the basis of CFT predict the number of unpaired electrons in [CrF6]3-.
Answer in brief.
[CoCl4]2− is a tetrahedral complex. Draw its box orbital diagram. State which orbitals participate in hybridization.
Answer in brief.
[CoCl4]2- is a tetrahedral complex. Draw its box orbital diagram. State which orbitals participate in hybridization.
Answer the following question.
Give valence bond description for the bonding in the complex [VCl4]-. Draw box diagrams for the free metal ion. Which hybrid orbitals are used by the metal? State the number of unpaired electrons.
Answer the following question.
Draw a qualitatively energy-level diagram showing d-orbital splitting in the octahedral environment. Predict the number of unpaired electrons in the complex [Fe(CN)6]4-. Is the complex diamagnetic or paramagnetic? Is it coloured? Explain.
Explain, why [Co(NH3)6]3+ ion is low spin? Calculate number of unpaired electrons and write the geometry of [Co(NH3)6]3+.
Answer the following with respect to [CoF6]3– ion
- Type of hybridization
- Number of unpaired electrons
- Geometry of complex ion
- Magnetic property
The number of unpaired electrons in the complex ion [CoF6]3− is ____________.
The INCORRECT match for complex with its geometry is:
The number of unpaired electrons in the complex ion [NiCl4]2− is ____________.
Identify the CORRECT statements regarding [Co(NH3)6]3+.
I. Oxidation state of metal ion = +3
II. It is a high spin complex.
III. It is paramagnetic.
IV. Metal ion undergoes d2sp3 hybridization.
Which one of the following complexes can exhibit geometrical isomerism?
What is the type of magnetic behavior and geometry respectively in Cuproammonium sulphate (Atomic number of Cu = 29)?
Identify the increasing order of effective magnetic moment of the following elements in their +2 oxidation state.
[Fe (Z = 26), Co (Z = 27), Ni (Z = 28), Cu (Z = 29)]
Which of the following types of square planar complexes can show geometrical isomerism [M = metal, a, b, = monodentate ligand]?
Describe the bonding in the tetrahedral complex Ni(CO)4 on the basis of valence bond theory. Give the orbital diagrams of metal atoms in free state and in the complex. Mention the number of unpaired electrons in the complex.
Give VBT description of the bonding in a square planar complex [Cu(NH3) 4]2+. Show orbital diagrams for free metal ion and metal ion in the complex. Which hybrid orbitals are used by metal for bonding? State magnetic nature of the complex.
Give a valence bond description of the bonding in the high spin complex [MnCl6]3− Include orbital diagram for the free metal ion and the metal ion in the complex. Indicate which hybrid orbitals the metal ion uses for bonding. Specify the number of unpaired electrons.
A compound forms a hep structure. Calculate the number of octahedral voids in 0.4 mol. (NA = 6.022 × 1023 )
Octahedral complex have ______ hybridisation.
Give the limitations of VBT.
A compound forms hexagonal close packed (hcp) structure. What is the number of (i) Octahedral voids, (ii) Tetrahedral voids, (iii) Total voids formed in 0.7 mol of it.
Mention the type of hybridization in [Co(NH3)6]3+ complex.
Mention the number of unpaired electrons and geometry of the following complex:
\[\ce{[Ni(Cl)4]^{2-}}\]
