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  4. Which of the following graphs are correct for a zero order reaction?

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Q. Which of the following graphs are correct for a zero order reaction?

Chemical Kinetics

Solution:

For a zero order reaction,
image
On comparing with equation of straight line $y=[R]$ concentration
$x=t$ time
Slope $(m)=-k$ rate constant
Intercept $(c)=[R]_{0}$ initial concentration
On rearranging Eq. (i)
$\frac{[R]-[R]_{0}}{t}=-k$
$\frac{[R]-[R]_{0}}{t}=-k t^{0}$
Rate $\propto t^{0}$

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