Jee Main
Chemical Kinetics And Nuclear Chemistry
JEE Main 2025 (Online) 29th January Morning Shift
MCQ+4 / -12025
The reaction $A_2 + B_2 \rightarrow 2AB$ follows the mechanism:
$A_2 \overset{k_1}{\underset{k_{-1}}{\rightleftharpoons}} A + A$ (fast)
$A + B_2 \xrightarrow{k_2} AB + B$ (slow)
$A + B \rightarrow AB$ (fast)
The overall order of the reaction is: