The electronic configurationo of Cu(II) is `3d^(9)` whereas that of Cu(I) is `3d^(10)`. Which of the following is correct ?

Options

A. Cu(II) is more stable
B. Cu(II) is less stable
C. Cu(I) and Cu(II) are stable
D. Stability of Cu(I) and Cu(II) depends on nature of copper salts .

Answer

A

Explanation

(a) Cu(II) is more stable. In aqueous solution, Cu(I) ion undergoes disproportion into Cu(II) ion and Cu.
`2Cu^(+)(aq) to Cu^(2+)(aq)+Cu(s)`