The reaction,$X + 2Y + Z \to N$ occurs by the following mechanism:
$(i)$ $X + Y \rightleftharpoons M$ (very rapid equilibrium)
$(ii)$ $M + Z \to P$ (slow)
$(iii)$ $P + Y \to N$ (very fast)
What is the rate law for this reaction?

  • A
    Rate $= k[Z]$
  • B
    Rate $= k[X][Y]^2[Z]$
  • C
    Rate $= [N]$
  • D
    Rate $= k[X][Y][Z]$

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