The equilibrium constant KC at 298 K for the reaction A + B C + D is 100. Starting with an equimolar — JEE Mains Chemistry Past Papers Chemistry Question

💡 Solution & Explanation

A + B C + D KC = 100 Initially 1 1 1 At eq. (1 – x) (1 – x) (1 + x) (1 + x) KC = x x       = 100 = x x   = 10 = 1 + x = 10 – 10x 11x = 9 x =     9 [D] =    11 1 =     20 = 1.818 = 1.82 (approx)  182×10–2 Ans.