500 mL vessel contains 1.5 M each of A, B, C and D at equilibrium

CHEMISTRY · Single correct · A Level · Chemistry · Chemical equilibria (Le Chatelier’s principle and Kc) · Chemical equilibria (Le Chatelier’s principle and Kc)

Problem

500 mL vessel contains 1.5 M each of A, B, C and D at equilibrium. If 0.5 M each of C and D are taken out, the value of KCK_C for A+B⇌C+DA + B \rightleftharpoons C + D is : (1) 1.0 (2) 19\frac{1}{9} (3) 49\frac{4}{9} (4) 89\frac{8}{9}

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