question_answer 1)

  Which of the following is the correct order of size of the given species? (a) \[I>{{I}^{-}}>{{I}^{+}}\]                           (b) \[{{I}^{+}}>{{I}^{-}}>I\]                           (c) \[I>{{I}^{+}}>{{I}^{-}}\]                          (d) \[{{I}^{-}}>I>{{I}^{+}}\]

Answer:

  (d) Cations are smaller and anions are larger than neutral atoms of the elements. Anion size > Neutral size > Cation size