Chemical Kinetics: JEE Main 2026 Chemistry question

JEE Main 2026 · 2 Apr, Evening shift · Q57

JEE Main 20262 Apr, Evening shiftChemistryHardChemical Kinetics62× since 2002

Consider the reaction

a\mathrm{X}\rightarrow b\mathrm{Y}

, for which the rate constant at 30

^\circ

C is

1\times10^{-3}

mol

^{-1}

L s

^{-1}

. Which of the following statements are true ? A. When concentration of 'X' is increased to four times, the rate of reaction becomes 16 times. B. The reaction is a second order reaction. C. The half-life period is independent of the concentration of X. D. Decomposition of

\mathrm{N_2O_5}

is an example of the above reaction. E. A plot of

\ln\frac{[R_0]}{[R]}

versus time (a straight line through the origin) is valid for the above reaction. Choose the correct answer from the options given below :

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JEE Main 2026 Chemical Kinetics Question with Solution (2 Apr Evening shift, Q57) | JEE Arc