MCQ
The molecule/ion with square pyramidal shape is:
- A$\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$
- B$\mathrm{PCl}_5$
- ✓$\mathrm{BrF}_5$
- D$\mathrm{PF}_5$

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Name $IUPAC$ Official Name
$(a)$ Unnilunium $(i)$ Mendelevium
$(b)$ Unniltrium $(ii)$ Lawrencium
$(c)$ Unnilhexlum $(iii)$ Seaborglum
$(d)$ Unununnium $(iv)$ Darmstadtium
| Column - $I$ | Column - $II$ |
| $(a)$ $XeF _{2}$ | $(i)$ Van Arkel method |
| $(b)$ $XeF _{4}$ | $(ii)$ Linear |
| $(c)$ $XeO _{3}$ | $(iii)$ Square pyramidal |
| $(d)$ $XeOF_{4}$ | $(iv)$ Pyramidal |
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Choose the correct option($s$).
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