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(C) For $BrF_{3}$ molecule:Central atom is $Br$ (Bromine),which has $7$ valence electrons.Number of bond pairs $= 3$ (three $Br-F$ bonds).Number of lo

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$2$,bent $T$-shape

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(C) For $BrF_{3}$ molecule:Central atom is $Br$ (Bromine),which has $7$ valence electrons.Number of bond pairs $= 3$ (three $Br-F$ bonds).Number of lone pairs $= (7 - 3) / 2 = 2$.Steric number $= 3$ (bond pairs) $+ 2$ (lone pairs) $= 5$,which corresponds to $sp^{3}d$ hybridization.Due to the presence of $2$ lone pairs,the geometry is trigonal bipyramidal,but the shape is bent $T$-shape.

The number of lone pair$(s)$ of electrons on the central atom and the shape of the $BrF_{3}$ molecule,respectively,are ..... .

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