4162. 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) September 7, 2025 by Admin 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 ✅ The correct answer is option D.