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NEET2019ChemistryChemical Bonding and Molecular StructureActual

Select the correct statement regarding shapes of PCl ₅, BrF ₅ and IF ₇ .

Options

  1. AAll are square pyramidal.
  2. BAll are trigonal bipyramidal.
  3. COne of the given compounds is square pyramidal.
  4. 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)

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