$A + B \to $ products, it is found that the rate of the reaction is proportional to the concentration of $A,$  but it is independent of the concentration of $B$, then

  • A

    The order of the reaction $2$  and molecularity $1$

  • B

    Molecularity of the reaction is $2$ but order is $1$

  • C

    Order is $ 2$ and molecularity is $2$

  • D

    Order of the reaction is $2$  but molecularity is $0$

Similar Questions

Write unit of rate constant of following reaction :

$1.$ fourth order

$2.$ third order

Which of these does not influence the rate of reaction

For the following reaction scheme (homogeneous), the rate constant has units

$A+B\xrightarrow{K}C$:

The mechanism of the reaction $2NO_2 + F_2 \to 2NO_2F$ is

$(i)\,\,N{O_2}\,\xrightarrow{{slow}}\,NO + O$

$(ii)\,\,{F_2} + O + NO\,\xrightarrow{{fast}}\,N{O_2}F + F$

$(iii)\,\,F + N{O_2}\,\xrightarrow{{fast}}\,N{O_2}F$

Select the correct one

The experimental data for decomposition of $N _{2} O _{5}$

$\left[2 N _{2} O _{5} \rightarrow 4 NO _{2}+ O _{2}\right]$

in gas phase at $318 \,K$ are given below:

$t/s$ $0$ $400$ $800$ $1200$ $1600$ $2000$ $2400$ $2800$ $3200$
${10^2} \times \left[ {{N_2}{O_5}} \right]/mol\,\,{L^{ - 1}}$ $1.63$ $1.36$ $1.14$ $0.93$ $0.78$ $0.64$ $0.53$ $0.43$ $0.35$

$(i)$ Plot $\left[ N _{2} O _{5}\right]$ against $t$

$(ii)$ Find the half-life period for the reaction.

$(iii)$ Draw a graph between $\log \left[ N _{2} O _{5}\right]$ and $t$

$(iv)$ What is the rate law $?$

$(v)$ Calculate the rate constant.

$(vi)$ Calculate the half-life period from $k$ and compare it with $(ii)$.