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Question: Answered & Verified by Expert
Look at the graph

Choose the correct equation from the following which best suited to the above graph
ChemistryChemical KineticsJIPMERJIPMER 2016
Options:
  • A $\left[A_t\right]=[A]_0-K t$
  • B $\left[A_t\right]=[A]_0+K t$
  • C $\left[A_t\right]=\left[A_0\right] e^{-K t}$
  • D $\left[A_t\right]=K t^2+\left[A_0\right]$
Solution:
2484 Upvotes Verified Answer
The correct answer is: $\left[A_t\right]=[A]_0+K t$
The equation is $\left[A_t\right]=\left[A_0\right]+K t$
On comparing it with general straight line equation, $Y=m x+c$
$\begin{aligned} \text { Slope }(m) & =+K \\ \text { intercept }(c) & =\left[A_0\right]\end{aligned}$
Therefore,the graph is

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