CHEMISTRY · Single correct · A Level · Chemistry · Chemical equilibria (Le Chatelier’s principle and Kc) · Chemical equilibria (Le Chatelier’s principle and Kc)
Problem
For the gas-phase equilibrium reaction 2NO2⇌N2O4, the equilibrium constant at 298K is Kp=5.4. Which of the following gives the value of the equilibrium constant Kp′ for the reverse reaction carried out at the same temperature?
(a) (5.4)2
(b) 5.4
(c) 5.41
(d) (5.4)21