MCQ
Product $(A)$ is


- ANo reaction
- ✓

- C

- D







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$A \to {\text{Product ;}}\,\, - \frac{{d[A]}}{{dt}} = {k_1}{[A]^o}$
$B \to {\text{Product ;}}\,\, - \frac{{d[B]}}{{dt}} = {k_2}{[B]}$
Units of $k_1$ and $k_2$ are expressed in terms of molarity $(M)$ and time $(sec^{-1})$ as

|
Exp. |
$[A]_0$ |
$[B]_0$ |
Initial rate |
|
$(1)$ |
$0.012$ |
$0.035$ |
$0.10$ |
|
$(2)$ |
$0.024$ |
$0.070$ |
$0.80$ |
|
$(3)$ |
$0.024$ |
$0.035$ |
$0.10$ |
|
$(4)$ |
$0.012$ |
$0.070$ |
$0.80$ |
$C{H_4}(g) + 2{O_2}(g) \to C{O_2}(g) + 2{H_ {2}}O(l);$
$\Delta H = - 890.3\,kJ$
How many grams of methane would be required to produce $445.15\, kJ$ of heat of combustion.....$g$