Question

Which one of the following is correct order of the size of iodine species?

• A. $I^{+}>I^{-}>I$
• B. $I^{-}>I>I^{+}$
• C. $I>I^{-}>I^{+}$
• D. $I>I^{+}>I^{-}$

Answer 1

The correct option is B $I^{-}>I>I^{+}$

Positive ion is always smaller and negative ion is always larger than the parent atom.