In which one of the following reactions,the rate constant has the unit $mol \ L^{-1} \ s^{-1}$?
- AAcid catalysed hydrolysis of $CH_3COOCH_3$
- B$CHCl_3 + Cl_2 \longrightarrow CCl_4 + HCl$
- C$2 \ NO_{(g)} + O_{2(g)} \longrightarrow 2 \ NO_{2(g)}$
- DDecomposition of $HI$ on the surface of gold
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For a zero-order reaction,the rate constant $K = 2 \times 10^{-2} \ mol \ L^{-1} \ s^{-1}$. If the concentration of the reactant after $25 \ s$ is $0.5 \ M$,then its initial concentration must be ...... $M$.
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View SolutionDecomposition of $X$ exhibits a rate constant of $0.05 \ \mu g/year$. How many years are required for the decomposition of $5 \ \mu g$ of $X$ into $2.5 \ \mu g$?
The rate constant for a zero order reaction $A \rightarrow$ products is $0.0030 \ mol \ L^{-1} \ s^{-1}$. How long will it take for the initial concentration of $A$ to fall from $0.10 \ M$ to $0.075 \ M$ (in $s$)?
Mention True $(T)$ and False $(F)$ statements for the following expressions related to a zero-order reaction $R \to P$:
$I. \ k = \frac{[R]_0}{2 t_{1/2}}$
$II. \ t_{1/2} = \frac{[R]_0}{4k}$
$I. \ k = \frac{[R]_0}{2 t_{1/2}}$
$II. \ t_{1/2} = \frac{[R]_0}{4k}$
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