Chemical Kinetics

For a reversiblereaction, $A\rightleftharpoons\,B$,which one of the following statement is wrong from the given energyprofile diagram?

Which of the following expression is correct for the rate of reaction given below ?…

In a first order reaction, the concentration of the reactant, decreases from 0.8 M to 0.4 M in 15 minutes. The time taken for the concentration to change from 0.1 M to 0.025 M is

Given the hypothetical reaction mechanism $A\overset{I}{\longrightarrow\,}B\overset{\mathrm{II}}{\longrightarrow\,}C\overset{\mathrm{III}}{\longrightarrow\,}D\overset{\mathrm{IV}}{\rightarrow\,}E$ and the rate as…

If for a first order reaction, the value of $A$ and $E_a$ are $4 \times 10^{13} \mathrm{~s}^{-1}$ and $98.6 \mathrm{~kJ} \mathrm{~mol}^{-1}$ respectively, then at what temperature will its half life period be 10 minutes?

For the reaction $2 \mathrm{SO}_2+\mathrm{O}_2 \rightleftharpoons 2 \mathrm{SO}_3$, the rate of disappearance of $\mathrm{O}_2$ is $2 \times 10^{-4} \mathrm{~mol} \mathrm{~L}^{-1}$ $\mathrm{s}^{-1}$. The rate appearance…

Calculate the activation energy of a reaction, whose rate constant doubles on raising the temperature from 300 K to 600 K ?

In the chemical reaction $A \rightarrow B$, what is the order of the reaction? Given that, the rate of reaction doubles if the concentration of $A$ is increased four times.

In the reaction, $\mathrm{A} \rightarrow$ products, If the concentration of the reactant is doubled rate of the reaction remains unchanged. The order of the reaction with respect to A is

$\mathrm{XmL}$ of $\mathrm{H}_{2}$ gas effuses through a hole in a container in 5 seconds. The time taken for the effusion of the same volume of the gas specified below under identical conditions is :

A radioactive isotope having a half - life period of 3 days was received after 12 days. If $3 \mathrm{~g}$ of the isotope is left in the container, what would be the initial mass of the isotope?

For the chemical reaction $2{O}_{3}⟶3{O}_{2}$, the reaction proceeds as follows ${O}_{3}⇌{O}_{2}+O$ (Fast) $O+{O}_{3}⟶2{O}_{2}$, (Slow) the rate law expression should be given as