In which of the following reactions is there | vedclass

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(C) $(A)\ NO_2^-(aq) + NH_4^+(s) \xrightarrow{\Delta} N_{2(g)} + 2H_2O$. This reaction liberates $N_2$ gas.$(B)\ CO(NH_2)_{2(s)} + 2HNO_{2(l)} \longri

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$NH_{3(g)} + NaOCl_{(aq)} \xrightarrow{	ext{gelatine}}$

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(C) $(A)\ NO_2^-(aq) + NH_4^+(s) \xrightarrow{\Delta} N_{2(g)} + 2H_2O$. This reaction liberates $N_2$ gas.$(B)\ CO(NH_2)_{2(s)} + 2HNO_{2(l)} \longrightarrow 2N_{2(g)} + CO_2 + 3H_2O$. This reaction liberates $N_2$ gas.$(C)\ 2NH_{3(g)} + 3NaOCl_{(aq)} \xrightarrow{	ext{gelatine}} N_2H_4 + 3NaCl + H_2O$. This reaction produces hydrazine $(N_2H_4)$ and does not liberate $N_2$ gas.$(D)\ (NH_4)_2Cr_2O_{7(s)} \xrightarrow{\Delta} Cr_2O_3 + N_{2(g)} + 4H_2O$. This reaction liberates $N_2$ gas.

In which of the following reactions is there no liberation of nitrogen gas?

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