Which One of the Following Statements About the Equilibrium Constant,K_p,is

Multiple Choice

Which one of the following statements about the equilibrium constant,K_p,is false?

A) Δn is equal to the sum of the coefficients of the gaseous products minus the sum of the coefficients of the gaseous reactants.
B) The relationship between K_p and K_c is: K_p = K_c (RT) ^Δn
C) The units for K_p are usually omitted.
D) Total pressures are used in the equilibrium equation in place of molar concentrations.