Medium
Which of the following statements is true regarding the order of a reaction?
- AThe order of a reaction increases with an increase in temperature.
- BThe order of a reaction can only be determined experimentally.
- CThe order of a reaction can be determined from the balanced chemical equation.
- DNone of the above.
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Similar Questions
By giving three examples,explain whether the exponents of the concentration terms in a rate law are the same as their stoichiometric coefficients in the balanced chemical reaction.
Difficult
View SolutionUnder a given set of experimental conditions,with an increase in the concentration of the reactants,the rate of a chemical reaction
Easy
View SolutionFor the reaction $A + B \to \text{products}$,what will be the order of reaction with respect to $A$ and $B$?
$Exp.$ $[A] \ (mol \ L^{-1})$ $[B] \ (mol \ L^{-1})$ Initial rate $(mol \ L^{-1} \ s^{-1})$ $1$ $2.5 \times 10^{-4}$ $3 \times 10^{-5}$ $5 \times 10^{-4}$ $2$ $5 \times 10^{-4}$ $6 \times 10^{-5}$ $4 \times 10^{-3}$ $3$ $1 \times 10^{-3}$ $6 \times 10^{-5}$ $1.6 \times 10^{-2}$
| $Exp.$ | $[A] \ (mol \ L^{-1})$ | $[B] \ (mol \ L^{-1})$ | Initial rate $(mol \ L^{-1} \ s^{-1})$ |
| $1$ | $2.5 \times 10^{-4}$ | $3 \times 10^{-5}$ | $5 \times 10^{-4}$ |
| $2$ | $5 \times 10^{-4}$ | $6 \times 10^{-5}$ | $4 \times 10^{-3}$ |
| $3$ | $1 \times 10^{-3}$ | $6 \times 10^{-5}$ | $1.6 \times 10^{-2}$ |
Rate law for a reaction is $r=k[A]^2[B]$. If rate constant is $6.25 \ mol^{-2} \ dm^6 \ s^{-1}$,what is the rate of reaction when $[A]=1 \ mol \ dm^{-3}$ and $[B]=0.2 \ mol \ dm^{-3}$?
What is the molecularity and order of the following reaction if the rate law is $\text{rate} = k[O_3][O]$ respectively?
$O_{3(g)} + O_{(g)} \longrightarrow 2O_{2(g)}$
$O_{3(g)} + O_{(g)} \longrightarrow 2O_{2(g)}$
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