Wed February 27, 2008 By:

Cu(1) has d10 confugaration while Cu(2) has d9 confugaration still Cu(2) is more stable in aq. sol.

Expert Reply
Mon March 03, 2008

Cu(II) has d9 configuration and is more stable as a d orbital is availale for coordinating with water and energy is released to make it stable.

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