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  • Consider a reaction follows zero order reaction if 20%  of a completed in 20 min, then what will be time required for 60%. of complete of the reaction is :<div class='qna-op

Consider a reaction follows zero order reaction if 20%  of a completed in 20 min, then what will be time required for 60%. of complete of the reaction is :

Option: 1

40 min


Option: 2

60 min


Option: 3

50 min


Option: 4

100 min


Answers (1)

best_answer

For zero order reaction 

\mathrm{(A)_0-(A)=k t}

Or  \mathrm{x=k t}

If x = 20 % t = 20 min 

\mathrm{\alpha_0=k \times 20}

\mathrm{K=1 \text { mol } 2^{-1} \mathrm{min}^{-\circ}}

If ,

\begin{aligned} & x=60 \% \quad t=? \\ & 60=x \times t \\ & t=6 \% k=60 \mathrm{~min} \end{aligned}

Posted by

Ritika Harsh

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