MCQ
Which bond angle $\theta $ gives maximum dipole moment for triatomic molecule $XY_2$
- A$\theta \,=\,90^o$
- ✓$\theta \,=\,120^o$
- C$\theta \,=\,180^o$
- DBoth $(B\,)$ and $(\,C)$

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$(I)$ $NI_3$ $(II)$ $I_3^-$
$(III)$ $SO_3^{-2}$ $(IV)$ $NO_3^-$
