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  •  is the time required for the reaction to undergo 75% completion and <img alt="\mat

\mathrm{t_{75}} is the time required for the reaction to undergo 75% completion and \mathrm{ t_{50} } is the time required for the reaction to undergo e 50% completion. The relation between \mathrm{ t_{75} } and \mathrm{ t_{50} } fo a first order reaction is \mathrm{ t_{75} } = \mathrm{ a \times t_{50} }. What will be the value of a

Option: 1

1


Option: 2

3


Option: 3

4


Option: 4

2


Answers (1)

best_answer

The time for completion of the reaction concentration of reactant relation is as follows:-
\mathrm{\begin{gathered} A t=A_0 \times \frac{25}{100}=\frac{A_0}{4} \\ A_0 \stackrel{t_{1 / 2}}{\longrightarrow} \frac{A_0}{2} \frac{t_{1 / 2}}{4} \\ t_{75}=2 t / \frac{1}{2} \\ x=2 \end{gathered} }

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