Electronic configuration of Cu ( II ) is 3 d^ 9 whereas that of Cu ( D ) is 3 ~d ^ 10 …

Chemistry · JEE Main · NTA Exams — d- and f-Block Elements

1. Stability of Cu(I) and Cu(II) depends on nature of copper salts.
2. Cu(II) is more stable.
3. Cu(I) ad Cu(II) are equally stable.
4. Cu(II) is less stable.

Answer

(B) Cu(II) is more stable.

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