MCQ
The reaction that does not produce nitrogen is
- AHeating ${\left( {N{H_4}} \right)_2}C{r_2}{O_7}$
- ✓$NH_3$ + Excess $Cl_2$
- CHeating $NaN_3$
- DHeating $NH_4NO_2$
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$(i)\,\,KIO_3$ $(ii)\,\,KI$
$(iii)\,\,I_2$ $(iv)\,\, HI$