MCQ
When $CHCl_3$ is boiled with $NaOH$ , It gives
- AFormic acid
- ✓Trihydroxy methane
- CAcetylene
- DSodium formate

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$R - Br + C{l^ - }\xrightarrow{{DMF}}R - Cl + B{r^ - }$ ,
which one of the following undergoes complete inversion of configuration?
$Cu^+ + e^-\to Cu$, $E^o = X_2$
Calculate $E^o$ for $Cu^{+2} + e^-\to Cu^+$