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  • Consider the reaction  product, follows zero order reaction, if  60 % of re

Consider the reaction A \longrightarrow product, follows zero order reaction, if  60 % of reaction completed in 120 min, then time required to complete the reaction is

Option: 1

200 min


Option: 2

400 min


Option: 3

300 min


Option: 4

500 min 


Answers (1)

best_answer

For zero order reaction 

\\x=k t\\ \\If\: x=60 \% \quad t=120 \mathrm{~min}\\ \\60=k \times .120 \quad \Rightarrow k=1 / 2 \text { min }\\ \\\text{if}\\ \begin{aligned} \\& x=100, t=? \\ \\& x=x+\Rightarrow 100=\frac{1}{2} \times t \\ \\& t=200 \mathrm{~min} \end{aligned}

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Deependra Verma

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