For a certain reaction $A \to P$ , the half life for different initial concentration of $A$ is mentioned below 

$[A_0]$  $||$  $0.1$  $||$  $0.025$

$t_{1/2}(s)$  $||$ $100$  $||$  $50$

Which of the following option $(s)$ is / are correct

  • A

    The order is $1$

  • B

    The order is $2$

  • C

    For $\left[ {{A_0}} \right] = 1\,M,\,\,\,{t_{1/2}} = 100\sqrt {10} \,\sec $

  • D

    unit of $k$ is $M/Sec$

Similar Questions

For a chemical reaction $A + B \rightarrow$ 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 $y ?$

  • [JEE MAIN 2023]

Reaction : $KCl{O_3} + 6FeS{O_4} + 3{H_2}S{O_4} \to $ $KCl + 3F{e_2}{\left( {S{O_4}} \right)_3} + 3{H_2}O$

Which is True $(T)$ and False $(F)$ in the following sentence ?

The order of this reaction is $2$.

For the reaction $2NO_2 + F_2 \to 2NO_2F$ , following mechanism has been provided

$N{O_2} + {F_2}\xrightarrow{{slow}}N{O_2}F + F$

$N{O_2} + F\xrightarrow{{fast}}N{O_2}F$

Thus rate expression of the above reaction can be written as

Reaction : $KCl{O_3} + 6FeS{O_4} + 3{H_2}S{O_4} \to $ $KCl + 3F{e_2}{\left( {S{O_4}} \right)_3} + 3{H_2}O$

Which is True $(T)$ and False $(F) $ in the following sentence ?

The reaction is complex.

An elementary reaction between $A$ and $B$ is a second order reaction. Which of the following rate equations must be correct?