Chemistry · 2019
JEE Main · 10 January 2019, Shift 2 · Q59
For an elementary chemical reaction, A_2 k_-1 k_1 ⇌ 2 A, the expression for (d[A])/(d t) is:
For an elementary chemical reaction, $\displaystyle A_2 \underset{k_{-1}}{\overset{k_1}{\rightleftharpoons}} 2 A$, the expression for $\displaystyle \frac{d[A]}{d t}$
is :
Official answer
(2)
$\displaystyle 2 k_1\left[A_2\right]-2 k_{-1}[A]^2$
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JEE Main 2019 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.