Question

For the following the increasing order of nucleophilicity would be: (in protic solvent)
(i) $I^{-}$
(ii) $Cl^{-}$
(iii) $Br^{-}$

• A. $I^{-} < Cl^{-} < Br^{-}$
• B. $Br^{-} < Cl^{-} < I^{-}$
• C. $I ^{-}< Br < Cl ^{-}$
• D. $Cl^{-} < Br^{-} < I^{-}$

Answer 1

Answer: (D)

On going top to bottom in group nucleophilicity increases.