1.

Consider the following reactions, A+B underset(k_(-1))overset(k_1)hArr C, C + B overset(k_2)to D The rate in terms of -(d[B])/(dt) will be

Answer»

`k_1[A][B]-k_(-1)[C]`
`k_1[A][B]-k_1[C]-k_2[C][B]`
`k_1[A][B]-k_2[C][B]`
`k_1[A][B]-k_(-1) [C]+k_2 [C][B]`

Solution :From `1^(st)` reaction.
`-(d[B])/(dt)=k_1[A][B]-k_(-1)[C]`
From `2^(ND)` reaction, `-(d[B])/(dt)=k_2[C][B]`
`therefore` TOTAL `-(d[B])/(dt)=k_1[A][B]-k_(-1)[C]+k_2[C][B]`


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