CBSE Class 12-science Answered
why cu 1 compounds are white and diamagnetic and cu 2 compounds are coloured and paramagnetic
Asked by jumanjigrey | 12 Dec, 2018, 07:41: PM
Expert Answer
The electronic configuration of Cu(I) : [Ar] 3d10 4s0
In Cu(I) compound has completely filled d orbital which means no unpaired electrons, therefore it is diamagnetic and due to this, it does not show any transition hence white in colour.
The electronic configuration of Cu(II) : [Ar] 3d9 4s0
In Cu(II) compound has 9 electrons in d orbital which means one unpaired electron is present, therefore it is diamagnetic. due to this, it shows transitions and coloured compounds.
Answered by Ramandeep | 13 Dec, 2018, 04:36: PM
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