See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

   10 c P g Q g X g Initial 10 10 K 16 10 10 x y 10 x x Equi. 20 20 20                                 10 c P g R g Y g Initial 10 10 K 4 10 10 y x 10 y y Equi. 20 20 20                              Since, Kc of both reactions are very large. So, x y 10   … (1) Now,    10 2 10 16 10 x 20 20 10 x y 10 x 4 10           2 y 20 20 10 x y 10 y         x 10 y 4 y 10 x    … (2) Solving (1) and (2) 20 10 x , y 3 3   equi 20 10 Q n 10 x 10 3 3        10 15n 15 50 3    