MCQ
Nitrobenzene gives $N- $ phenylhydroxylamine by
- A$Sn/HCl$
- B${H_2}/Pd - C$
- C$Zn/NaOH$
- ✓$Zn/N{H_4}Cl$

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| Reactant |
$HIO_4$ consumed |
$HCO_2H$ formed |
$HCHO$ formed |

Identify the amino acid obtained by hydrolysis of the above compound
$Zn^{2+} + 2e^-$ $\longrightarrow$ $Zn (s) ; E^o = -0.76\,V$
$Ca^{2+} + 2e^-$ $\longrightarrow$ $Ca (s) ; E^o = -2.87\,V$
$Mg^{2+} + 2e^-$ $\longrightarrow$ $Mg (s) ; E^o = -2.36\,V$
$Ni^{2+} + 2e^-$ $\longrightarrow$ $Ni (s) ; E^o = -0.25\,V$
The reducing power of the metals increases in the order