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| List-$I$ (प्रजाति) | List-$II$ ($O-N-O$ कोण) |
| $A$. $NO_2^+$ | $1$. $180^{\circ}$ |
| $B$. $NO_2$ | $2$. $132^{\circ}$ |
| $C$. $NO_2^-$ | $3$. $115^{\circ}$ |
| $D$. $NO_3^-$ | $4$. $120^{\circ}$ |
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