Arrange the following species in order of increasing radius . Ar CI Br F K* A ) Arlt;CI lt; Br lt; F lt; K ( relationship :

Why is the answer B? I thought that cations were smaller than anions so why is it that for answer B the anion is bigger? Could I have an explanation please? Thank you!

011 . Arrange the following species in order of increasing radius . Ar CI Br F K*A ) Ar<CI < Br < F < K( relationship : L - > R ToB ) F < < < Ar< CF < BYASKC ) K* < Ar<F< CT < BYcations are smaller than anionsD ) BT < F < K* < CI < Aris it no C