Among the following compounds, which on heating do not produce $\mathrm{N}_{2}$ ?

1. $\left(\mathrm{NH}_{4}ight)_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}$
2. $\mathrm{NH}_{4} \mathrm{Cl}+\mathrm{NaNO}_{2}$
3. $\mathrm{NH}_{4} \mathrm{Cl}+\mathrm{CaO}$
4. $\mathrm{Ba}\left(\mathrm{N}_{3}ight)_{2}$

Solution

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Asked in: JEE-TOPICTESTS-CHEMISTRY

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