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प्रश्न
Give reason for the following :
Sulphur in vapour state shows paramagnetic behaviour.
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उत्तर
Sulphur in vapor state exists as 2 S which has two unpaired electrons in the pi -antibonding molecular orbital and is paramagnetic
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संबंधित प्रश्न
What is ferromagnetism?
Iron (z=26) is highly ferromagnetic. Explain.
Explain the following with suitable examples:
Antiferromagnetism
Give the properties of dia/para/ferromagnetic materials.
Example of ferromagnetic substance is ____________.
When heated to high temperature, ferromagnetic substance changes to ____________.
Fe3O4 (magnetite) is an example of ___________.
The value of magnetic moment is zero in the case of antiferromagnetic substances because the domains:
(i) get oriented in the direction of the applied magnetic field.
(ii) get oriented opposite to the direction of the applied magnetic field.
(iii) are oppositely oriented with respect to each other without the application of magnetic field.
(iv) cancel out each other’s magnetic moment.
Which of the following statements are correct?
(i) Ferrimagnetic substances lose ferrimagnetism on heating and become paramagnetic.
(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.
The calculated spin only magnetic moment of Cr2+ ion is ______.
