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Sahay Sir > Question Answers > NCERT Exemplar Class 11 > Chemistry > Chapter 7 - Equilibrium > A sample of pure PCl5 was introduced into an evacuated vessel at 473K. After equilibrium was attained, concentration of PCl5 was found to be 0.5×10^−1mol litre^−1. If value of Kc is 8.3 × 10^−3 mol litre^−1. What are the concentrations of PCl3 and Cl2 at equilibrium ?

A sample of pure PCl5 was introduced into an evacuated vessel at 473K. After equilibrium was attained, concentration of PCl5 was found to be 0.5×10^−1mol litre^−1. If value of Kc is 8.3 × 10^−3 mol litre^−1. What are the concentrations of PCl3 and Cl2 at equilibrium ?

1.92 mol of H2 ​ and 8.13 mol of NH3 is introduced in a 20L reaction vessel at 500K.At this temperature the equilibrium constant A mixture of 1.57 mol of N2 Kc for the reaction N2 ​ (g)+3H2(g)⇌2NH3(g) is 1.7×10^2. Is the reaction mixture at equilibrium? If not what is the direction of net reaction?