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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Answer the following with respect to [CoF6]3– ion Type of hybridization Number of unpaired electrons Geometry of complex ion Magnetic property

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प्रश्न

Answer the following with respect to [CoF6]3– ion

  1. Type of hybridization
  2. Number of unpaired electrons
  3. Geometry of complex ion
  4. Magnetic property
दीर्घउत्तर
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उत्तर

[CoF6]3–:

  1. Type of hybridization: sp3d2
  2. Number of unpaired electrons: 4
  3. Geometry of complex ion: Octahedral
  4. Magnetic property: Paramagnetic
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Theories of Bonding in Complexes
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पाठ 9: Coordination Compounds - Long Answer Questions

संबंधित प्रश्‍न

On the basis of CFT predict the number of unpaired electrons in [CrF6]3-.


What are the high-spin complexes?


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+.


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?


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]?


Explain the formation of [CoF6] complex with respect to

  1. Hybridisation
  2. Magnetic properties
  3. Inner/outer complex
  4. Geometry

A compound forms hcp structure. What is the number of (a) octahedral voids, (b) tetrahedral voids, (c) total voids formed in 0.2 mol of the compound?


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.


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:

\[\ce{[Ni(Cl)4]^{2-}}\]


Mention the number of unpaired electrons and geometry of the following complex:

\[\ce{[Ni(CN)4]^2-}\]


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