Half-lives of a first order and a zero order reaction are same. Then the ratio of the initial rates of first order reaction to that of the zero order reaction is

  • A
    $\frac{1}{0.693}$
  • B
    $2 \times 0.693$
  • C
    $0.693$
  • D
    $\frac{2}{0.693}$

Explore More

Similar Questions

Which of the following statement$(s)$ is (are) correct?

Match the rate expressions in List-$I$ for the decomposition of $X$ with the corresponding profiles provided in List-$II$. $X_s$ and $k$ are constants having appropriate units.

The elementary reaction $2SO_{2(g)} + O_{2(g)} \to 2SO_{3(g)}$ is carried out in a $1 \ dm^3$ vessel and a $2 \ dm^3$ vessel separately. The ratio of the reaction velocities will be

Match the column $I$ with column $II$ :
$a$. Rate constant for first order reaction$i$. $mol \ lit^{-1} \sec^{-1}$
$b$. Molarity$ii$. $\frac{k \times 1000}{M}$
$c$. Rate constant for zero order reaction$iii$. $second^{-1}$
$d$. Limiting molar conductivity$iv$. $\frac{\text{moles of solute}}{\text{Volume of solution (lit)}}$

Under the same reaction conditions, initial concentration of $1.386 \ mol \ dm^{-3}$ of a substance becomes half in $40 \ s$ and $20 \ s$ through first-order and zero-order kinetics respectively. Ratio $\left(\frac{k_{1}}{k_{0}}\right)$ of the rate constants for first-order $\left(k_{1}\right)$ and zero-order $\left(k_{0}\right)$ of the reactions is

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo