The rate constant of a first order reaction is $3 \times 10^{-6} \ s^{-1}$. If the initial concentration is $0.10 \ M$,the initial rate of reaction is:
- A$3 \times 10^{-5} \ M \ s^{-1}$
- B$3 \times 10^{-6} \ M \ s^{-1}$
- C$3 \times 10^{-8} \ M \ s^{-1}$
- D$3 \times 10^{-7} \ M \ s^{-1}$
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Similar Questions
At $500\,^oC$,cyclopropane isomerizes to propene. This reaction is first order with a rate constant of $6.7 \times 10^{-4}\,s^{-1}$. If the initial concentration of cyclopropane is $0.05\, M$,what will be the molarity of cyclopropane after $30\, min$ (in $, M$)?
Difficult
View SolutionIn a first-order reaction of the type: $A_{(g)} \to 2B_{(g)}$,the initial pressure is $P_i$ and the total pressure at time $t$ is $P_t$. The rate constant $k$ can be expressed as:
Medium
View SolutionThe following data were obtained during the first order thermal decomposition of a gas $A$ at constant volume:
$A_{(g)} \rightarrow 2 B_{(g)} + C_{(g)}$
$S.No.$ $Time/s$ $Total Pressure/(atm)$ $1.$ $0$ $0.1$ $2.$ $115$ $0.28$
The rate constant of the reaction is . . . . . . $\times 10^{-2} \ s^{-1}$ (nearest integer).
$A_{(g)} \rightarrow 2 B_{(g)} + C_{(g)}$
| $S.No.$ | $Time/s$ | $Total Pressure/(atm)$ |
| $1.$ | $0$ | $0.1$ |
| $2.$ | $115$ | $0.28$ |
The rate constant of the reaction is . . . . . . $\times 10^{-2} \ s^{-1}$ (nearest integer).
DifficultJEE MAIN 2024
View SolutionFor the decomposition of azoisopropane to hexane and nitrogen at $543 \ K,$ the following data are obtained.
$t \ (sec)$ $P \ (mm \ of \ Hg)$ $0$ $35.0$ $360$ $54.0$ $720$ $63.0$
Calculate the rate constant.
| $t \ (sec)$ | $P \ (mm \ of \ Hg)$ |
| $0$ | $35.0$ |
| $360$ | $54.0$ |
| $720$ | $63.0$ |
Calculate the rate constant.
Difficult
View SolutionThe half-life period for a first-order reaction is . . . . . . .
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