問題詳情

42. At a given temperature, K = 0.020 for the equilibriumPCl5(g) ⇌PCl3(g) + Cl2(g) What is K for reaction Cl2(g) + PCl3(g)⇌PCl5(g) 
(A) 0.020
(B) 50
(C) 100
(D) 500

參考答案

答案：B
難度：非常簡單0.941176
統計：A(1),B(16),C(0),D(0),E(0)