1.

Which of the following graphs is correct for a zero order reaction?

Answer»




Solution :Zero order reaction :`RtoP`
differential rate law :`(d[R])/(dt)=k`
For zero order reaction
Integrated rate law:`KT=[R]_(0)-[R]`
`thereforeunderset(y)underset(uarr)[R]=underset(m)underset(uarr)-k underset(x)underset(uarr)t+underset(c)underset(uarr)([R]_(0))`
This equation (i) is LIKE y=mx+c
so ,`[R]tot` graph linear and the value of slope is NEGATIVE .This is option (D).
`kt=[R]_(0)-[R]`
`therefore-kt[R]-[R]_(0)`
`therefore ([R]-[R]_(0))/(t)=-kt^(0)`
`therefore` Rate `prop t^(0)`
So rate `to` TIME graph is option (A).


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