Stability of "Cu" ion

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SYED ASHFAQ TASIN
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Stability of "Cu" ion

Unread post by SYED ASHFAQ TASIN » Sun Dec 16, 2018 11:05 pm

Two questions about Cu-
[*]Why Cu2+ion is stable as it shows 3d9?
[*]Why 3d10 is not stable for Cu?
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samiul_samin
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Re: Stability of "Cu" ion

Unread post by samiul_samin » Thu Jan 10, 2019 9:50 am

$3d 10$ is surely stable for $Cu$.

NABILA
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Re: Stability of "Cu" ion

Unread post by NABILA » Tue Jan 15, 2019 8:01 pm

1st Q.-because 2 electrons, which have gone are the last electrons. 3d8 4s1 or 3d7 4s2 is not needed to make Cu2+ stable. These are containing an extra orbit. 3d9 in enough.
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SYED ASHFAQ TASIN
Posts:29
Joined:Thu Jun 02, 2016 6:14 pm

Re: Stability of "Cu" ion

Unread post by SYED ASHFAQ TASIN » Mon Jan 28, 2019 1:44 pm

Why not " Cu1+"?
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samiul_samin
Posts:1007
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Re: Stability of "Cu" ion

Unread post by samiul_samin » Wed Jan 30, 2019 3:50 pm

SYED ASHFAQ TASIN wrote:
Mon Jan 28, 2019 1:44 pm
Why not " Cu1+"?
Because of degenarated orbital .Here you can get a detailed answer from a chemist.

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