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The electronic configurationo of Cu(II) ...

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

A

Cu(II) is more stable

B

Cu(II) is less stable

C

Cu(I) and Cu(II) are equally stable

D

Stability of Cu(I) and Cu(II) depends on nature of copper salts

Text Solution

Verified by Experts

The correct Answer is:
A
Due to completely filled electronic configuration `d^(10)` is more stable.
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Knowledge Check

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

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

  • the correct electronic configuration of Cu^(2+) ion is

    A
    `[Ar] (3d)^8(4s)^1`
    B
    `[Ar] (3d)^7(4s)^2`
    C
    `[Ar] (3d)^9(4s)^0`
    D
    `[Ar] (3d)^10(4s)^0`

  • In Cu(s) | Cu^(2+) (aq)|Ag(s) Which of the following statements is correct ?

    A
    `E_("cell") =E_("left") -E_("right")`
    B
    Cell reaction is `Cu^(2+)+(aq)+2Ag(s) rarr Cu(s) +2Ag^+(aq)`
    C
    Silver electrode acts as anode and copper electrode acts as cathode
    D
    Silver electrode acts as cathode and copper electrode acts as anode

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