For the following : <br> (a) $I^-$ <br> (b) $Cl^-$ <br> (c) $Br^-$ <br> The increasing order of nucleophilicity would be :

Question

( A ) $I^- < Br^- < Cl^-$
( B ) $Cl^- < Br^- < I^-$
( C ) $Br^- < Cl^- < I^-$
( D ) $I^- < Cl^- < Br^-$