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  • When initial concentration of a reactant is doubled in a reaction, its half-life period is not affected. The order of the reaction is   Optio

When initial concentration of a reactant is doubled in a reaction, its half-life period is not affected. The order of the reaction is 

 

Option: 1

More than zero but less than first 


Option: 2

Zero


Option: 3

First 


Option: 4

Second


Answers (1)

best_answer

\mathrm{t_{1 / 2} \propto \frac{1}{a^{(n-1)}} }
It is given that half-life is not affected when initial concentration is changed.
It means \mathrm{\mathrm{n}-1=0 }
\mathrm{ \Rightarrow \mathrm{n}=1 }.

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avinash.dongre

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