1.

\[C{{u}^{+}}\] ion is not stable in aqueous solution because of disproportionation reaction. \[{{E}^{o}}\] value for disproportionation of \[C{{u}^{+}}\] is                 (Given \[E_{C{{u}^{2+}}/C{{u}^{+}}}^{o}=0.15\],  \[E_{C{{u}^{2+}}/Cu}^{o}=0.34V\])       [IIT 1995]

A.                 ? 0.49 V               
B.                 0.49 V
C.                 ? 0.38 V               
D.                 0.38 V
Answer» E.


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