d
\(\left[ {\mathop {{\text{N}}{{\text{H}}_4}}\limits^{ - \,III} \mathop {{\text{N}}{{\text{O}}_2}}\limits^{ + \,III} } \right]\xrightarrow{\Delta }{{\text{N}}_2} \uparrow  + 2{{\text{H}}_2}{\text{O}} \uparrow \)

\({\text{Na}}{{\text{N}}_3}\xrightarrow{\Delta }{\text{Na}} + \frac{3}{2}{{\text{N}}_2} \uparrow \)

\({({\text{N}}{{\text{H}}_4})_2}{\text{C}}{{\text{r}}_2}{{\text{O}}_7}\xrightarrow{\Delta }\)  \({{\text{N}}_2} \uparrow  + \,\mathop {C{r_2}{O_3}(s)}\limits_{(green)}  + 4{{\text{H}}_2}{\text{O}} \uparrow \)