MCQ
When acetamide is treated with $NaOBr,$ the product formed is
- A$C{H_3}CN$
- B$C{H_3}C{H_2}N{H_2}$
- ✓$C{H_3}N{H_2}$
- DNone of the above
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Given : $K _{ sp } Cu ( OH )_2=1 \times 10^{-20}$
$\operatorname{Take} \frac{2.303 RT }{ F }=0.059 \,V$
The reduction potential at $pH =14$ for the above couple is $(-) x \times 10^{-2}\,V$. The value of $x$ is $........$.

$(A)$ $\mathrm{NH}_4 \mathrm{NO}_3$ $(B)$ $\left(\mathrm{NH}_4\right)_2 \mathrm{Cr}_2 \mathrm{O}_7$ $(C)$ $\mathrm{Ba}\left(\mathrm{N}_3\right)_2$ $(D)$ $\mathrm{Mg}_3 \mathrm{~N}_2$
$R =0.083\, L$ bar $K ^{-1} \,mol ^{-1}$ ) (Nearest integer)