Which of the Following Is True of the Effect of a Metal

Multiple Choice

Which of the following is true of the effect of a metal ion on the acidity of water?

A) The decrease in electron density makes it difficult for the water molecule to lose a proton.
B) The positive charge on the metal ion attracts electron density from the oxygen atoms of the water molecules.
C) A divalent ion has the same effect on the electron density as a monovalent ion of the same radius.
D) The larger the metal ion, the shorter the internuclear distance to the oxygen atom of the water molecule.
E) The larger the metal ion, the greater the effect of the metal on the electron density distribution in the water molecule.