$PBr_{5(s)} \rightarrow PBr_{4}^{+} + Br^{-}$
$Br^{-} + Br_2 \rightarrow Br_{3}^{-}$
Which of the following forces is responsible for the interaction of $X^{-}$ and $X_2$ to form a coordinate bond between $X^{-}$ and $X_2$?

  • A
    Keesom force
  • B
    Debye force
  • C
    London force
  • D
    Ion-induced dipole attraction

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