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NTA Abhyas JEE Main2020ChemistryChemical Bonding and Molecular StructurePractice

The molecule which contains maximum number of lone pairs is

Options

  1. AI F 7
  2. BX e F 6
  3. CX e F 4
  4. DX e F 2

Correct answer

A. I F 7

Step-by-step solution

I F 7 = lone pairs of I = 0 Lone pairs on F = 3 × 7 = 21 Total = 21 X e F 6 = lone pairs on X e = 1 Lone pairs on F = 18 Total = 19 X e F 4 = lone pairs on X e = 2 Lone pairs on F = 12 Total = 14 X e F 2 = Lone pairs on X e = 3 Lone pairs on F = 6 Total = 9

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