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  • For a zero order reaction, if 30% of a substance dissociated in 60 min. The time taken by 80 % of its dissociation is.Option: 1 100 min<br

For a zero order reaction, if 30% of a substance dissociated in 60 min. The time taken by 80 % of its dissociation is.

Option: 1

100 min
 


Option: 2

150 min


Option: 3

160 min


Option: 4

200 min.


Answers (1)

best_answer

For zero order reaction 

\mathrm{x=k t}

If \mathrm{x=30 \% \quad t=60 \mathrm{~min}}

\mathrm{30=k \times 60 \quad k=1 / 2 \mathrm{~mol \; L}^{-1} \text { min }^{-1}}

If 

\begin{aligned} & x=80 \% \quad t=? \\ & 80=\frac{1}{2} \times t \\ & t=160 \text { min } \end{aligned}

Posted by

Ajit Kumar Dubey

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