question_answer

For the set of reactions,(i) \[A+BC\,;\] (ii) \[C+B\xrightarrow[{}]{{{k}_{3}}}D,\]\[{{k}_{1}}\,[A][B]-{{k}_{2}}[C]-{{k}_{3}}[C][B]\] is equal to

A) \[\frac{-d\,[A]}{dt}\]                    

B) \[\frac{-d\,[B]}{dt}\]

C) \[\frac{d\,[C]}{dt}\]                      

D) \[\frac{d\,[D]}{dt}\] 

E) None of the above