The compound(s) which generate(s) N_2 gas upo | vedclass

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(A) $NH_4NO_3$ decomposes to form $N_2O$ and $H_2O$ at temperatures above $210^{\circ} C$.$(NH_4)_2Cr_2O_7$ decomposes to produce $N_2$ gas,$Cr_2O_3$,

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$B, C$

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(A) $NH_4NO_3$ decomposes to form $N_2O$ and $H_2O$ at temperatures above $210^{\circ} C$.$(NH_4)_2Cr_2O_7$ decomposes to produce $N_2$ gas,$Cr_2O_3$,and $H_2O$ upon heating.$Ba(N_3)_2$ decomposes to produce $Ba$ and $N_2$ gas upon heating.$Mg_3N_2$ is a stable nitride and does not undergo thermal decomposition below $300^{\circ} C$.Therefore,the compounds that generate $N_2$ gas are $(NH_4)_2Cr_2O_7$ and $Ba(N_3)_2$.

The compound$(s)$ which generate$(s)$ $N_2$ gas upon thermal decomposition below $300^{\circ} C$ is (are)
$A. NH_4NO_3$
$B. (NH_4)_2Cr_2O_7$
$C. Ba(N_3)_2$
$D. Mg_3N_2$

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The compound$(s)$ which generate$(s)$ $N_2$ gas upon thermal decomposition below $300^{\circ} C$ is (are)$A. NH_4NO_3$$B. (NH_4)_2Cr_2O_7$$C. Ba(N_3)_2$$D. Mg_3N_2$