Question

Select the correct statement regarding shapes of $PCl_5, BrF_5$ and $IF_7$.

• A. All are square pyramidal.
• B. All are trigonal bipyramidal.
• C. One of the following is square pyramidal
• D. one of the following is tetrahedral

Answer 1

Answer: (C)

One of the following is square pyramidal

Answer 2

$PCl _{5}$ [see image] $bp =5$ Total $= 5$ $Sp ^{3} d$ Trigonal bipyramidal $BrF _{5}$ [see image] $bp =5$ $Ip=1$ Total $=6$ $Sp ^{3} d ^{2}$ square pyramidal $IF _{7}$ [see image] $b p=7$ $Ip =0$ Total $=7$ $Sp ^{3} d ^{3}$ pentagonal bipyramidal