1.

A reaction 2A+Boverset(k)rarrC+D is first order with respect to A and 2nd order with respect to B. Initial conc. (t = 0) of A is C_(0) while that of B is 2C_(0). If at t = 30 minutes the conc. Of C is (C_(0))/(4) then rate expression at t = 30 minutes is :

Answer»

`R=7C_(0)^(3)(k)/(16)`
`R=27C_(0)^(3)(k)/(32)`
`R=247C_(0)^(3)(k)/(64)`
`R=49C_(0)^(3)(k)/(32)`

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