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  4. Which of the following graphs represents a zero order reaction? (a = initial concentration of reactant, x= concentration of reactant consumed, t= time) <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/chemistry/7b3614ed3e90a3e3d6f15f33e791ccfb-.png />

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Q. Which of the following graphs represents a zero order reaction?
(a = initial concentration of reactant, $x=$ concentration of reactant consumed, $t=$ time)
image

TS EAMCET 2018

Solution:

For, zero order reaction

$t_{1 / 2}=\frac{a}{2 K}$ and for zero order reaction, concentration is independent from sate.

So, $\frac{d x}{d t}$ is constant.

image