ChemistryJEE Main 2 Apr 2026, Shift 2·Q7·MCQ·Easy–moderate

Chemical Kinetics · Order from rate constant units

Consider the reaction

\ce{aX -> bY}

, 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 $\ce{N2O5}$ is an example of the above reaction.
(E) is valid for the above reaction.

Choose the correct answer from the options given below :

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