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What is the order of reaction $A + B \to C$?
Observation $[A] \ (mol \ L^{-1})$ $[B] \ (mol \ L^{-1})$ Rate $(mol \ L^{-1} \ sec^{-1})$ $1$ $0.1$ $0.1$ $2 \times 10^{-3}$ $2$ $0.4$ $0.1$ $3.2 \times 10^{-3}$ $3$ $0.1$ $0.2$ $8 \times 10^{-3}$
| Observation | $[A] \ (mol \ L^{-1})$ | $[B] \ (mol \ L^{-1})$ | Rate $(mol \ L^{-1} \ sec^{-1})$ |
|---|---|---|---|
| $1$ | $0.1$ | $0.1$ | $2 \times 10^{-3}$ |
| $2$ | $0.4$ | $0.1$ | $3.2 \times 10^{-3}$ |
| $3$ | $0.1$ | $0.2$ | $8 \times 10^{-3}$ |
- A$1.5$
- B$2.5$
- C$3.0$
- D$2.0$
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During the kinetic study of the reaction $2A + B \rightarrow C + D$,the following results were obtained:
Experiment $[A] \ (M), [B] \ (M)$ and Initial rate of formation of $D$ $i. \ [A]=0.1, [B]=0.1$ $6.0 \times 10^{-3} \ M \ s^{-1}$ $ii. \ [A]=0.3, [B]=0.2$ $7.2 \times 10^{-2} \ M \ s^{-1}$ $iii. \ [A]=0.3, [B]=0.4$ $2.88 \times 10^{-1} \ M \ s^{-1}$ $iv. \ [A]=0.4, [B]=0.1$ $2.40 \times 10^{-2} \ M \ s^{-1}$
Based on the above data,the overall order of the reaction is:
| Experiment | $[A] \ (M), [B] \ (M)$ and Initial rate of formation of $D$ |
|---|---|
| $i. \ [A]=0.1, [B]=0.1$ | $6.0 \times 10^{-3} \ M \ s^{-1}$ |
| $ii. \ [A]=0.3, [B]=0.2$ | $7.2 \times 10^{-2} \ M \ s^{-1}$ |
| $iii. \ [A]=0.3, [B]=0.4$ | $2.88 \times 10^{-1} \ M \ s^{-1}$ |
| $iv. \ [A]=0.4, [B]=0.1$ | $2.40 \times 10^{-2} \ M \ s^{-1}$ |
Based on the above data,the overall order of the reaction is:
The rate for the reaction $2 A + B \rightarrow \text{product}$ is $6 \times 10^{-4} \ mol \ dm^{-3} \ s^{-1}$. Calculate the rate constant if the reaction is first order in $A$ and zeroth order in $B$,given $[A] = [B] = 0.3 \ M$.
For the hypothetical reaction $2X + G \to Q + 2M$,the rate expression is $\frac{d[Q]}{dt} = k[X]^2$. Which of the following is the most likely mechanism?
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View Solution$A$ reaction between two different reactants cannot be a .....
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View SolutionFor the inversion of cane sugar,the half-life is $500 \ min$ at all concentrations of sugar when $pH = 5$. However,when $pH = 6$,the half-life becomes $50 \ min$. Determine the rate law for the inversion of cane sugar.
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