Question:
The electronic configuration of Cu(II) is 3d9 whereas that of Cu(I) is 3d10. Which
of the following is correct?
(i) Cu(II) is more stable
(ii) Cu(II) is less stable
(iii) Cu(I) and Cu(II) are equally stable
(iv) Stability of Cu(I) and Cu(II) depends on the nature of copper salts
Solution:
Option (i) Cu(II) is more stable is the answer.
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