Consider the first order reaction R rightarrow P . The fraction of molecules decomposed in the given first order reaction can be expressed as

Chemistry · Chemical Kinetics

JEE Main 2026 — 4 April, Morning Shift — Question 54

Consider the first order reaction $\mathrm{R} \rightarrow \mathrm{P}$ .

The fraction of molecules decomposed in the given first order reaction can be expressed as

$\mathrm{I}^{\text {st }}$ order of $\mathrm{R} \mu^{\mathrm{H}}$

\begin{aligned} & a-x=a e^{-K_{1} t} & \frac{x}{a}=1-e^{-K_{1} t} \end{aligned}

Answer key and solution verified before publishing.

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