Medium
For $N_2 + 3H_2 \rightarrow 2NH_3$,$\Delta H = -22 \ kcal$,and $E_a = 70 \ kcal$. Hence $E_a$ for $2NH_3 \rightarrow N_2 + 3H_2$ is $.....$ $kcal$.
- A$92$
- B$70$
- C$48$
- D$22$
Explore More
Similar Questions
Energy of activation of a reactant is reduced by
Easy
View SolutionWhen the temperature of a reaction is raised by $10^{\circ}C$,how many times the rate will be enhanced?
$A$ negative catalyst retards the reaction rate because........
Difficult
View SolutionCatalysts are used to increase the rate of a chemical reaction. Because it
If the half-lives of a first-order reaction at $350 \ K$ and $300 \ K$ are $2 \ s$ and $20 \ s$ respectively,the activation energy of the reaction in $kJ \ mol^{-1}$ is:
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo