MCQ
The aqueous solution of $CuCrO_4$ is green because it contains
- Agreen $Cu^{2+}$ ions
- Bgreen $CrO_4^{2-}$ ions
- Cblue $Cu^{2+}$ ions and green $CrO_4^{2-}$ ions
- ✓blue $Cu^{2+}$ ions and yellow $CrO_4^{2-}$ ions
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$Zn_{(s)} +Cu^{+2}_{(aq)} \to Zn^{2+}_{(aq)} +Cu_{(s)}$
$[E^o_{Cu^{+2 /Cu}} = 0.34\,V$ , $E^o_{Zn^{2+} /Zn} = -0.76\,V ]$