If `3A rarr 2B`, then the rate of reaction of `+ (dB)/(d t)` is equal to

Options

A. `+2 (d[A])/(d t)`
B. `-(1)/(3) (d[A])/(d t)`
C. `-(2)/(3) (d[A])/(d t)`
D. `-(3)/(2) (d[A])/(d t)`

Answer

C

Explanation

`-(1)/(3)(d[A])/(d t) = (1)/(2)(d[B])/(d t) :. (d[B])/(d t) = -(2)/(3) (d[A])/(d t)`