MCQ
A positive carbylamine test is given by
- A$N, N-$dimethylaniline
- ✓$2, 4-$dimethylaniline
- C$N-$methyl$-o-$methylaniline
- D$p-$methylbenzylamine

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$(i)\, Cu^{2+} + 2e^- \rightarrow Cu\,,$ $ E^o = 0.337\, V$
$(ii)\, Cu^{2+} + e^- \rightarrow Cu^+\,,$ $ E^o = 0.153\, V$
Electrode potential, $E^o$ for the reaction,
$Cu^+ + e^- \rightarrow Cu\,,$ will be ............ $V$.