AIIMS2019ChemistryChemical Bonding and Molecular Structure
Select the correct statement regarding shapes of PCl ₅, BrF ₅ and IF ₇ .
Options
- AAll are square pyramidal.
- BAll are trigonal bipyramidal.
- COne of the given compounds is square pyramidal.
- DOne of the given compounds is tetrahedral.
Correct answer
C. One of the given compounds is square pyramidal.
Step-by-step solution
aligned & (c) : PCl ₅: & b p=5 ; l p=0 & Total =5 & s p^3 d & (Trigonal bipyramidal) & BrF ₅: & b p=5 ; l p=1 & Total =6, s p^3 d^2 & (Square pyramidal) aligned IF ₇ : aligned & b p=7 ; l p=0 & Total =7 & s p^3 d^3 aligned (Pentagonal bipyramidal)