Chemical Kinetics

A molecule undergoes two independent first order reactions whose respective half lives are $12\min\,$ and $3\min\,$. If both the reactions are occurring then the time taken for the $50%$ consumption of the reactant is…

For the reaction $\mathrm{A} \rightarrow \mathrm{B}$ the following graph was obtained. The time required (in seconds) for the concentration of A to reduce to $2.5 \mathrm{~g} \mathrm{~L}^{-1}$ (if the initial…

The following data was obtained for chemical reaction given below at$975K$. $2\mathrm{NO}_{(g)}+2H_{2(g)}\rightarrow\,N_{2(g)}+2H_{2}O_{(g)}$ $\begin{matrix} & [\mathrm{NO}] & \left[H_{2}\right] & \mathrm{Rate} \\ &…

Consider the following reaction that goes from $A$ to $B$ in three steps as shown below: Choose the correct option Number of Intermediates Number of Activated Complexes Rate determining step $\left(1\right)$ $2$ $3$ $I$…

For the thermal decomposition of $\mathrm{N}_2 \mathrm{O}_5(\mathrm{~g})$ at constant volume, the following table can be formed, for the reaction mentioned below. $2 \mathrm{~N}_2 \mathrm{O}_5(\mathrm{~g}) \rightarrow 2…

For a reaction $A \rightarrow P$ at $T\text{ K}$, the half life $(t_{1/2})$ is plotted as a function of initial concentration $[A]_0$ of $A$ as given below. The value of $x$ in the given figure is _______ s (Nearest…

An exothermic reaction $X\rightarrow\,Y$ has an activation energy $30\mathrm{kJ}\mathrm{mol}^{-1}$. If energy change $\mathrm{\Delta E}$ during the reaction is $-20\mathrm{kJ}$, then the activation energy for the…

For the following graphs, Choose from the options given below, the correct one regarding order of reaction is :

For the decomposition of azomethane. $\mathrm{CH}_{3}N_{2}\mathrm{CH}_{3}\left(g\right)\rightarrow\,\mathrm{CH}_{3}\mathrm{CH}_{3}\left(g\right)+N_{2}$a first order reaction, the variation in partial pressure with time…

Consider the given plots for a reaction obeying Arrhenius equation $$(0^{\circ}C(II)$$

The number of correct statement/s from the following is _____ . A.Larger the activation energy, smaller is the value of the rate constant. B. The higher is the activation energy, higher is the value of the temperature…

Consider the following reactions $A\rightarrow\,P1;B\rightarrow\,P2;C\rightarrow\,P3;D\rightarrow\,P4$ The order of the above reactions are $a,b,c\mathrm{and}d,$respectively. The following graph is obtained when…