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Paramagnetic character depend on the unpaired electron. The electronic configuration of Mn(II) ion (at. no. of Mn 25 ) is 1s 2 2s 2 2p 6 3s 2 3p 6 3d 5 4s 0 It has five unpaired electrons in its d-orbitals which is maximum value for a transition metal ion. The paramagnetic character is due to presence of unpaired electron.

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The d-And-f-Block Elements

Short Answer Type

61. Why do transition elements exhibit paramagnetism?

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62.
Why does Mn(II) ion show maximum paramagnetic character amongst bivalent ions of first transition series?

Paramagnetic character depend on the unpaired electron. The electronic configuration of Mn(II) ion (at. no. of Mn²⁵) is
1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁵ 4s⁰It has five unpaired electrons in its d-orbitals which is maximum value for a transition metal ion. The paramagnetic character is due to presence of unpaired electron.

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