MCQ
A molecule $XY_2$ contains two $\sigma$, two $\pi$-bonds and one lone pair of electron in the valence shell of $X$. The arrangement of lone pair as bond pair is
- Asquare pyramidal
- Blinear
- ✓trigonal planar
- Dunpredictable
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$(I)\, s-$ orbital of $A$ and $P_x$ -orbital of $B$
$(II)\, s-$ orbital of $A$ and $P_z$ orbital of $B$
$(Ill)\, p_y$ -orbital of $A$ and $p_z$ orbital of $B$
$(IV)\, s-$ orbital of both $(A)$ and $(B)$