MCQ
The reagent that gives an orange coloured precipitate with acetaldehyde
- ✓$2, 4-DNP$
- B$N{H_2}OH$
- CIodine
- D$NaHS{O_3}$

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$Cu^+ + e^-\to Cu$, $E^o = X_2$
Calculate $E^o$ for $Cu^{+2} + e^-\to Cu^+$
