Medium
Consider the following gas-phase reaction.
$2HI_{(g)} \longrightarrow H_{2(g)} + I_{2(g)}$
and the following experimental data obtained at $555 \ K$. What is the order of the reaction with respect to $HI_{(g)}$?
$[HI] \ (M)$ Rate $(M \ s^{-1})$ $0.0500$ $8.80 \times 10^{-10}$ $0.1000$ $3.52 \times 10^{-9}$ $0.1500$ $7.92 \times 10^{-9}$
$2HI_{(g)} \longrightarrow H_{2(g)} + I_{2(g)}$
and the following experimental data obtained at $555 \ K$. What is the order of the reaction with respect to $HI_{(g)}$?
| $[HI] \ (M)$ | Rate $(M \ s^{-1})$ |
| $0.0500$ | $8.80 \times 10^{-10}$ |
| $0.1000$ | $3.52 \times 10^{-9}$ |
| $0.1500$ | $7.92 \times 10^{-9}$ |
- A$1.0$
- B$2.0$
- C$2.5$
- D$3.0$
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Similar Questions
For the reaction between $A$ and $B$,the initial rate of reaction $(r_0)$ was measured for different initial concentrations of $A$ and $B$ as given below. Determine the order of the reaction with respect to $A$ and $B$ respectively.
$[A] / mol \ L^{-1}$ $0.2, 0.2, 0.4$ $[B] / mol \ L^{-1}$ $0.3, 0.1, 0.05$ $r_0 / mol \ L^{-1} s^{-1}$ $5.0 \times 10^{-5}, 5.0 \times 10^{-5}, 1.4 \times 10^{-4}$
| $[A] / mol \ L^{-1}$ | $0.2, 0.2, 0.4$ |
| $[B] / mol \ L^{-1}$ | $0.3, 0.1, 0.05$ |
| $r_0 / mol \ L^{-1} s^{-1}$ | $5.0 \times 10^{-5}, 5.0 \times 10^{-5}, 1.4 \times 10^{-4}$ |
Difficult
View SolutionFor a chemical reaction $A + B \rightarrow \text{Product}$,the order is $1$ with respect to $A$ and $B$.
Rate $(mol \ L^{-1} \ s^{-1})$ $[A]$ $(mol \ L^{-1})$ $[B]$ $(mol \ L^{-1})$ $0.10$ $20$ $0.5$ $0.40$ $x$ $0.5$ $0.80$ $40$ $y$
What is the value of $x$ and $y$?
| Rate $(mol \ L^{-1} \ s^{-1})$ | $[A]$ $(mol \ L^{-1})$ | $[B]$ $(mol \ L^{-1})$ |
|---|---|---|
| $0.10$ | $20$ | $0.5$ |
| $0.40$ | $x$ | $0.5$ |
| $0.80$ | $40$ | $y$ |
What is the value of $x$ and $y$?
The reaction of formation of phosgene from $CO$ and $Cl_2$ is $CO + Cl_2 \to COCl_2.$ The proposed mechanism is
$(i)$ $Cl_2 \,\underset{k_2}{\overset{k_1}{\longleftrightarrow}}\, 2Cl$
$(ii)$ $Cl + CO \,\underset{k_4}{\overset{k_3}{\longleftrightarrow}}\, COCl$
$(iii)$ $COCl + Cl_2 \xrightarrow{k_5} COCl_2 + Cl$ (slow)
Find the correct expression of rate law.
$(i)$ $Cl_2 \,\underset{k_2}{\overset{k_1}{\longleftrightarrow}}\, 2Cl$
$(ii)$ $Cl + CO \,\underset{k_4}{\overset{k_3}{\longleftrightarrow}}\, COCl$
$(iii)$ $COCl + Cl_2 \xrightarrow{k_5} COCl_2 + Cl$ (slow)
Find the correct expression of rate law.
An example of a pseudo-$unimolecular$ reaction is
Easy
View SolutionFor a fourth-order reaction,what is the unit of $K$?
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