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  • The half lite period of a first order reaction is 6 minutes. The amount of substance left after one hour will beOption: 1 1 / 100 of original solutio

The half lite period of a first order reaction is 6 minutes. The amount of substance left after one hour will be

Option: 1

1 / 100 of original solution 


Option: 2

1 / 2248 of original solution 


Option: 3

1 / 1024 of original solution 


Option: 4

1 / 334 of original solution 


Answers (1)

best_answer

Given \mathrm{t_{1 / 2}=6} minuter

\mathrm{ \begin{aligned} & \text { Total time }(T)=1 \mathrm{hr}=60 \mathrm{~min} \\ & \text { From }=t_{1 / 2} \times n \\ & n=\frac{60}{6}=10 \\ & \frac{N}{N_0}=\left(\frac{1}{2}\right)^n=\left(\frac{1}{2}\right)^{10}=\frac{1}{1024} \end{aligned} }

\mathrm{\frac{1}{1024}}  of the Original ant.

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