When an excess of a very dilute aqueous solution of $KI$ is added to a very dilute aqueous solution of silver nitrate,the colloidal particles of silver iodide are associated with the Helmholtz double layer in the form of:

  • A
    $AgI/Ag^{+}:I^{-}$
  • B
    $AgI/K^{+}:NO_{3}^{-}$
  • C
    $AgI/NO_{3}^{-}:Ag^{+}$
  • D
    $AgI/I^{-}:K^{+}$

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