Chemical Kinetics

The kinetic energy of an electron in the second Bohr orbit of a hydrogen atom is equal to $\frac{h^{2}}{x\mathrm{ma}_{0}^{2}}.$The value of $10x$ is ($a_{0}$ is radius of Bohr's orbit) (Nearest integer) [Given:…

The kinetic energy of an electron in the second Bohr orbit of a hydrogen atom is equal to $\frac{h^{2}}{x\mathrm{ma}_{0}^{2}}.$The value of $10x$ is ($a_{0}$ is radius of Bohr's orbit) (Nearest integer) [Given:…

For a first-order reaction $\text{R} \longrightarrow \text{P}$ at a given temperature, $k$ is the rate constant. For this reaction, at the given temperature, the concentrations of $\text{R}$ and $\text{P}$ at a time $t$…

For a reversible reaction $\text{R} \rightleftharpoons \text{P}$, at constant temperature, both the forward and the backward reactions are first order elementary reactions with rate constants $k_f$ and $k_b$,…

Match the rate expressions in LIST-I for the decomposition of \(\mathrm{X}\) with the corresponding profiles provided in LIST-II. \(X_s\) and \(\mathrm{k}\) are constants having appropriate units.

Which of the following plots is(are) correct for the given reaction?($[P]_{0}$ is the initial concentration of $P$)

In the decay sequence: $U92238\to-x_{1}Th90234\to-x_{2}Pa91234\to-x_{3}Z234\to-x_{4}Th90234$ $x_{1},x_{2},x_{3}$ and $x_{4}$ are the particles/ radiation emitted by the respective isotopes. The correct option(s) is/are:

For a first order reaction $A(g)\to2B(g)+C(g)$ at constant volume and 300 K, the total pressure at the beginning $(t=0)$ and at time are $P_{0}andP_{0}$, respectively. Initially, only A is present with concentration…

In the reaction, $\text{P}+\text{Q}\to\text{R}+\text{S}$ the time taken for $75\%$ reaction of $P$is twice the time taken for$50\%$ reaction of $P$. The concentration of $Q$varies with reaction time as shown in the…

For the first order reaction $2 \mathrm{~N}_2 \mathrm{O}_5(\mathrm{~g}) \longrightarrow 4 \mathrm{NO}_2(g)+\mathrm{O}_2(g)$

For the following reaction $2X+Y\to kP$ the rate of reaction is $\frac{d[P]}{dt}=k[X]$. Two moles of $X$ are mixed with one mole of $Y$ to make $1.0L$ of solution. At $50s,0.5$ mole of $Y$ is left in the reaction…

In a bimolecular reaction, the steric factor $P$ was experimentally determined to be $4.5$. The correct option(s) among the following is(are)