In aqueous solution Cu(+1) salts are uns...

In aqueous solution Cu(+1) salts are unstable because

A

Cu(+1) has `3d^(10)` configuration.

B

They disproportionate easily to Cu and `Cu^(2+)` states.

C

They disproportionate easily to `Cu^(2+) and Cu^(3+)` states.

D

Its change in free energy is zero

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The correct Answer is:

B

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