Which of the Following Statements Is Not True

Multiple Choice

Which of the following statements is not true?

A) All good leaving groups are weak bases with strong conjugate acids.
B) Left-to-right across a row of the periodic table,leaving group ability increases.
C) Down a column of the periodic table,leaving group ability increases.
D) Equilibrium favors the products of the nucleophilic substitution when the leaving group is a stronger base than the nucleophile.