Question

In the figure shown below reactant A (represented by square) is in equailibrium with product B (represented by circle). The equilibrium constant is:

(1) 2 

(2) 1 

(3) 8 

(4) 4

Answer 1

Answer is (1)

Bonus (no reaction is given)

Answer 2

Answer is (1)

K_eq = [B]/[A] = 11/6 = 12/6 = 2