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  • Which graph represents zero order reaction.Option: 1 <img alt="" src="https://cdn.entrance360.com/media/uploads/2018/06/19/14990a.jpg" style="height:

Which graph represents zero order reaction.

Option: 1


Option: 2


Option: 3


Option: 4


Answers (1)

best_answer

For a zero-order reaction:

\mathrm{[A]=[A]_0 - kt}

Now, \mathrm{t_{\frac{3}{4}}} represents the time taken for 75% completion of the reaction,

i.e. \mathrm{[A]={\frac{[A]_0}{4}}}

Putting these values in the integrated rate equation

\mathrm{\frac{[A]_0}{4}=[A]_0-kt_{\frac{3}{4}}}

\Rightarrow \mathrm{t_{\frac{3}{4}}=\frac{3[A]_0}{4}}

which represents a straight line passing through the origin and having a positive slope

Therefore, option(4) is correct.

Posted by

shivangi.shekhar

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