The reaction $N_2O_5$ (in $CCl_4$ solution) $\to 2NO_2$ (solution) $+ \frac{1}{2}O_{2(g)}$ is of first order in $N_2O_5$ with rate constant $6.2 \times 10^{-1} \, s^{-1}$. What is the value of the rate of reaction when $[N_2O_5] = 1.25 \, mol \, L^{-1}$?
- A$7.75 \times 10^{-1} \, mol \, L^{-1} \, s^{-1}$
- B$6.35 \times 10^{-3} \, mol \, L^{-1} \, s^{-1}$
- C$5.15 \times 10^{-5} \, mol \, L^{-1} \, s^{-1}$
- D$3.85 \times 10^{-1} \, mol \, L^{-1} \, s^{-1}$
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Higher order $(> 3)$ reactions are rare due to:
DifficultJEE MAIN 2015
View Solution$2 \ NO_{(g)} + Cl_{2(g)} \rightleftharpoons 2 \ NOCl_{(g)}$
This reaction was studied at $-10^{\circ} C$ and the following data was obtained:
$Run$ $[NO]_{0}$ $[Cl_{2}]_{0}$ $r_{0}$ $1$ $0.10$ $0.10$ $0.18$ $2$ $0.10$ $0.20$ $0.35$ $3$ $0.20$ $0.20$ $1.40$
$[NO]_{0}$ and $[Cl_{2}]_{0}$ are the initial concentrations and $r_{0}$ is the initial reaction rate.
The overall order of the reaction is ..........
(Round off to the Nearest Integer).
This reaction was studied at $-10^{\circ} C$ and the following data was obtained:
| $Run$ | $[NO]_{0}$ | $[Cl_{2}]_{0}$ | $r_{0}$ |
| $1$ | $0.10$ | $0.10$ | $0.18$ |
| $2$ | $0.10$ | $0.20$ | $0.35$ |
| $3$ | $0.20$ | $0.20$ | $1.40$ |
$[NO]_{0}$ and $[Cl_{2}]_{0}$ are the initial concentrations and $r_{0}$ is the initial reaction rate.
The overall order of the reaction is ..........
(Round off to the Nearest Integer).
For a reaction $A \rightarrow 2 B + C$ the half-lives are $100 \ s$ and $50 \ s$ when the concentration of reactant $A$ is $0.5 \ mol \ L^{-1}$ and $1.0 \ mol \ L^{-1}$ respectively. The order of the reaction is (Nearest Integer).
For the non-stoichiometric reaction $2A + B \to C + D$,the following kinetic data were obtained in three separate experiments,all at $298 \ K$.
Initial Conc. $(A)$ Initial Conc. $(B)$ Initial rate of formation of $C \ (mol \ L^{-1} \ s^{-1})$ $0.1 \ M$ $0.1 \ M$ $1.2 \times 10^{-3}$ $0.1 \ M$ $0.2 \ M$ $1.2 \times 10^{-3}$ $0.2 \ M$ $0.1 \ M$ $2.4 \times 10^{-3}$
For the reaction,the rate of formation of $C$ will be:
| Initial Conc. $(A)$ | Initial Conc. $(B)$ | Initial rate of formation of $C \ (mol \ L^{-1} \ s^{-1})$ |
| $0.1 \ M$ | $0.1 \ M$ | $1.2 \times 10^{-3}$ |
| $0.1 \ M$ | $0.2 \ M$ | $1.2 \times 10^{-3}$ |
| $0.2 \ M$ | $0.1 \ M$ | $2.4 \times 10^{-3}$ |
For the reaction,the rate of formation of $C$ will be:
Medium
View SolutionConsider the reaction between chlorine and nitric oxide:
$Cl_{2(g)} + 2NO_{(g)} \rightarrow 2NOCl_{(g)}$
On doubling the concentration of both reactants,the rate of the reaction increases by a factor of $8$. However,if only the concentration of $Cl_2$ is doubled,the rate increases by a factor of $2$. The order of this reaction with respect to $NO$ is :
$Cl_{2(g)} + 2NO_{(g)} \rightarrow 2NOCl_{(g)}$
On doubling the concentration of both reactants,the rate of the reaction increases by a factor of $8$. However,if only the concentration of $Cl_2$ is doubled,the rate increases by a factor of $2$. The order of this reaction with respect to $NO$ is :
MediumNEET 2017
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