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Chemical Bonding and Molecular Structure · Question 34

JEE Main 2025 (Online) 28th January Morning ShiftMCQEasy📈 Topic in 32% papers+4−1
1

The molecules having square pyramidal geometry are

  1. BrF5 & PCl5
  2. SbF5 & PCl5
  3. BrF5 & XeOF4
  4. SbF5 & XeOF4

Answer

(3) BrF5 & XeOF4

Solution

BrF5: 5 bond pairs + 1 lone pair sp3d2 square pyramidal.

XeOF4: 5 σ bond pairs + 1 lone pair sp3d2 square pyramidal.

PCl5 and SbF5: 5 bond pairs, no lone pair sp3d trigonal bipyramidal.

Answer: (3)

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2

Total number of molecules/species from the following which will be paramagnetic is . O2, O2+, O2-, NO, NO2, CO, K2[NiCl4], [Co(NH3)6]Cl3, K2[Ni(CN)4]

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