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  • For a reaction , when initial concentration of reactant half life be

For a reaction \mathrm{A \rightarrow P}, when initial concentration of reactant half life becomes 3 times. The order of reaction will be

Option: 1

1.04


Option: 2

2.58


Option: 3

3.97


Option: 4

0.05


Answers (1)

best_answer

\mathrm{\begin{aligned} \frac{t_2}{t_1} & =\left[\frac{a_2}{a_2}\right]^{n-1} \\\\ 3 & =\left(\frac{a_2}{a_2} \times \frac{2}{2}\right)^{n-1} \\\\ 3 & =(2)^{n-1} \\\\ \log 3 & =(n-1) \log 2 \\\\ \frac{\log 3}{\log 2} & =n-1 \\\\ n & =1+\frac{\log 3}{\log 2} \\\\ n & =1+\frac{0.4771}{0.3010} \end{aligned}}

            \mathrm{\begin{aligned} & n=1+1.58 \\ & n=2.58 \end{aligned}}

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shivangi.bhatnagar

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