If $K_1, K_2, K_3$ are equilibrium constants for the formation of $AD, AD_2, AD_3$ respectively as follows: $A + D \rightleftharpoons AD$,$AD + D \rightleftharpoons AD_2$,$AD_2 + D \rightleftharpoons AD_3$. Then the equilibrium constant '$K$' for $A + 3D \rightleftharpoons AD_3$ is related as:

  • A
    $K_1 + K_2 + K_3 = K$
  • B
    $\log K_1 + \log K_2 + \log K_3 = \log K$
  • C
    $K_1 + K_2 = K_3 + K$
  • D
    $\log K_1 + \log K_2 = \log K_3 + \log K$

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