MCQ
Nitrogen gas is liberated by thermal decomposition of
- A$NH_4NO_2$
- B$NaN_3$
- C$(NH_4 )_2Cr_2O_7$
- ✓All
✓
Answer
Correct option: D.
All
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 $
$\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 $
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