The Student Room Group
overall charge is -1

each chlorine is -1

so copper is?
Reply 2
+1 ?
+2 because the compound overall balances out the 2 -1 charges on the chlorine whose oxidation state for the purpose of this is fixed.

Edit: Wait a second do you mean CuCl2 or [CuCl2]- like a complex ion which I've never seen before (and which frankly makes no chemical sense to me)?
Reply 4
[CuCl2]-
The complex ion.
Marykate5
+1 ?


:yep:
Reply 6
Many thanks :smile:

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