Which of the following cuprous compounds is not stable-
A. `CuCl_(2)`
B. `Cu_(2)(CNS)_(2)`
C. `Cu_(2)Cl_(2)`
D. `Cu_(2)SO_(4)`

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1 Answers

The compound `Cu_(2)SO_(4)` is not stable because `Cu` is stabilized only in `Cu^(+2)` state in its compounds with `SO_(4)^(-2)` ions hence `Cu_(2)SO_(4)` is not stable while `CuSO_(4)` is stable.

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