Chemistry · 2025
JEE Main · 4 April 2025, Shift 1 · Q58
Rate law for a reaction between A and B is given by r = k [ A ]^n [ B ]^m If concentration of A is doubled and concentration of B is halved from…
Rate law for a reaction between A and B is given by
$\displaystyle \mathrm{r}=\mathrm{k}[\mathrm{A}]^{\mathrm{n}}[\mathrm{B}]^{\mathrm{m}}$
If concentration of A is doubled and concentration of B is halved from their initial value, the ratio of new rate of reaction to the initial rate of reaction $\displaystyle \left(\frac{r_2}{r_1}\right)$ is
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle 2^{(\mathrm{n}-m)}$
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JEE Main 2025 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.