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प्रश्न
Out of [CoF6]3- and [Co(en)3]3+, which one complex is
(i) paramagnetic
(ii) more stable
(iii) inner orbital complex and
(iv) high spin complex
(Atomic no. of Co = 27)
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उत्तर
Co (Z=27)=1s2 2s2 2p6 3s2 3p6 4s2 3d7
Co+3 =1s2 2s2 2p6 3s2 3p6 3d7
F- is weak field ligand:
[CoF6]3-
(i) [CoF6]3- is paramagnetic due to the presence of four unpaired electrons
(ii) [Co(en)3]3+ is more stable due to chelation
(iii) [Co(en)3]3+ forms inner orbital complex (d2sp3)
(iv) [CoF6]3+ Forms high spin complex (sp3d2)
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संबंधित प्रश्न
What is ferromagnetism?
Define the following term:
Ferromagnetism
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(i) Transition elements form coloured compounds.
(ii) Interhalogen compounds are more reactive than their constituent elements.
(iii) Cu+ is diamagnetic but Cu2+ is paramagnetic. (Z = 29)
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Example of ferromagnetic substance is ____________.
Fe3O4 (magnetite) is an example of ___________.
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(ii) Ferrimagnetic substances do not lose ferrimagnetism on heating and remain ferrimagnetic.
(iii) Antiferromagnetic substances have domain structures similar to ferromagnetic substances and their magnetic moments are not cancelled by each other.
(iv) In ferromagnetic substances all the domains get oriented in the direction of magnetic field and remain as such even after removing magnetic field.
Which one of the following homo-diatomic molecule is paramagnetic?
The susceptibility of a paramagnetic material is 99. The permeability of the material in Wb/A-m is ______.
[permeability of the free space μ0 = 4π × 10-7 Wb/A - m]
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(Atomic number of Fe = 26, Cu = 29, Co = 27 and Ni = 28)
