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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Common name $\to $ $IUPAC$ name
$(I)\,\,CH_3CH_2OH + HCl \xrightarrow{{Anh.\,\,ZnC{l_2}}}$
$(II)\,\,CH_3CH_2OH + HCl \rightarrow$
$(III)\,\,(CH_3)_3COH + HCl \rightarrow$
$(IV)\,\,(CH_3)_2CHOH + HCl \xrightarrow{{Anh.\,\,ZnC{l_2}}}$