In Writing an Equilibrium Constant Expression, Which of the Following

Multiple Choice

In writing an equilibrium constant expression, which of the following is incorrect?

A) Concentrations are always expressed in molarities.
B) Product concentrations are always placed in the numerator of the expression.
C) Concentrations of pure solids and pure liquids are always placed in the denominator of the expression.
D) More than one correct response.
E) No correct response.