Which of the following contains maximum number of lone pairs on the central atom?

• A

  $\mathrm{ClO}_3^{-}$
• B

  $\mathrm{XeF}_4$
• C

  $\mathrm{SF}_4$
• Correct answer
  D

  $\mathrm{I}_3^{-}$

Solution

$I_3^{-}$has highest, i.e, 3 lone Pairs on central atom.

Hence, the correct answer is option: 'D'.