For a given reaction $3A + B \to C + D$,the rate of reaction can be represented by:
- A$-\frac{1}{3}\frac{d[A]}{dt} = -\frac{d[B]}{dt} = \frac{d[C]}{dt} = \frac{d[D]}{dt}$
- B$-\frac{1}{3}\frac{d[A]}{dt} = \frac{d[C]}{dt} = K[A]^m[B]^n$
- C$+\frac{1}{3}\frac{d[A]}{dt} = -\frac{d[C]}{dt} = K[A]^n[B]^m$
- DNone of these
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