$R \longrightarrow P$ is a first order reaction. The concentration of $R$ changed from $0.04$ to $0.03 \ mol \ L^{-1}$ in $40 \ min$. What is the average velocity of the reaction in $mol \ L^{-1} \ s^{-1}$?
- A$2.5 \times 10^{-4}$
- B$4.167 \times 10^{-6}$
- C$4.167 \times 10^{6}$
- D$2.5 \times 10^{-5}$
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Similar Questions
For the reaction $2 A + 3 B + \frac{3}{2} C \rightarrow 3 P$,which statement is correct?
DifficultJEE MAIN 2020
View SolutionThe rate of disappearance of $MnO_4^-$ in the following reaction is $4.56 \times 10^{-3} \ M/s$.
$2MnO_4^- + 10I^{-} + 16H^{+} \to 2Mn^{2+} + 5I_2 + 8H_2O$
The rate of appearance of $I_2$ is:
$2MnO_4^- + 10I^{-} + 16H^{+} \to 2Mn^{2+} + 5I_2 + 8H_2O$
The rate of appearance of $I_2$ is:
Medium
View SolutionWrite the rate equation for the following reactions:
$1.$ $5 Br^{-}_{(aq)} + BrO^{-}_{3_{(aq)}} + 6 H^{+}_{(aq)} \rightarrow 3 Br_{2_{(aq)}} + 3 H_2O_{(l)}$
$2.$ $R \rightarrow P$
$3.$ $C_4H_9Cl + H_2O \rightarrow C_4H_9OH + HCl$
$1.$ $5 Br^{-}_{(aq)} + BrO^{-}_{3_{(aq)}} + 6 H^{+}_{(aq)} \rightarrow 3 Br_{2_{(aq)}} + 3 H_2O_{(l)}$
$2.$ $R \rightarrow P$
$3.$ $C_4H_9Cl + H_2O \rightarrow C_4H_9OH + HCl$
Difficult
View SolutionFrom the concentrations of $C_{4}H_{9}Cl$ (butyl chloride) at different times given below,calculate the average rate of the reaction:
$C_{4}H_{9}Cl + H_{2}O \rightarrow C_{4}H_{9}OH + HCl$
during different intervals of time.
$t/s$ $0$ $50$ $100$ $150$ $200$ $300$ $400$ $700$ $800$ $[C_{4}H_{9}Cl]/mol\ L^{-1}$ $0.100$ $0.0905$ $0.0820$ $0.0741$ $0.0671$ $0.0549$ $0.0439$ $0.0210$ $0.017$
$C_{4}H_{9}Cl + H_{2}O \rightarrow C_{4}H_{9}OH + HCl$
during different intervals of time.
| $t/s$ | $0$ | $50$ | $100$ | $150$ | $200$ | $300$ | $400$ | $700$ | $800$ |
| $[C_{4}H_{9}Cl]/mol\ L^{-1}$ | $0.100$ | $0.0905$ | $0.0820$ | $0.0741$ | $0.0671$ | $0.0549$ | $0.0439$ | $0.0210$ | $0.017$ |
Difficult
View SolutionFor the reaction,$A + B \to 2C + D$,which one is the incorrect statement?
Medium
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