Medium
The least stable oxide of nitrogen is:
- A$2NO_{2(g)} \rightleftharpoons N_{2(g)} + 2O_{2(g)}; K_{eq} = 6.7 \times 10^{16} \ mol \ L^{-1}$
- B$2N_2O_{5(g)} \rightleftharpoons 2N_{2(g)} + 5O_{2(g)}; K_{eq} = 1.2 \times 10^{24} \ mol^5 \ L^{-5}$
- C$2NO_{(g)} \rightleftharpoons N_{2(g)} + O_{2(g)}; K_{eq} = 2.2 \times 10^{30}$
- D$2N_2O_{(g)} \rightleftharpoons 2N_{2(g)} + O_{2(g)}; K_{eq} = 3.5 \times 10^{33} \ mol \ L^{-1}$
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