1.

Which ofthe following graphis correctfor a zero orderreaction ?

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Solution :For a zero order reaction `""[R]=underset(uparrow)((-k))underset(uparrow)(t)+underset(uparrow)([R]_(0))`
`""y=mxxx+c`
On COMPARING with Eq. of STRAIGHT line
`""y=[R]` concentration
`""x=t` TIME

`"""Slope"(m)=-k` rate constant
`"""Intercept"(c)=[R]_(0)` initial concentration
On rearranging Eq. (i)
`""([R]-[R]_(0))/(t)=-k`
`""([R]-[R]_(0))/(t)=-kt^(0)`
`"""Rate"propt^(0)`


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