Which of the following is not a unit of the equilibrium constant Kp? (where, Δx = number of moles of products number of moles of reactants) (A) (atm)Δx, when Δx is negative
(B) (atm)Δx, when Δx is positive
(C) Dimensionless, when Δx = 0
(D) (atm)Δx2, when Δx > 0
(B) (atm)Δx, when Δx is positive
(C) Dimensionless, when Δx = 0
(D) (atm)Δx2, when Δx > 0