For the reaction A + B C + D, the equilibrium constant (Keq) is defined as

For the reaction A + B C + D, the equilibrium constant (Keq) is defined as

For the reaction A + B C + D, the equilibrium constant (Keq) is defined as 









A. [A][B]/[C][D].
B. [C][D]/[A][B].
C. [A][D]/[B][C].
D. [B][C]/[A][D].









Answer: B