Subject: Physical Chemistry · Chapter: Concentration B B · Topic: Concentration B B – General · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Medium
For a reaction of the type $\mathrm{X} \underset{\mathrm{k}_{2}}{\stackrel{\mathrm{k}_{1}}{\rightleftharpoons}} \mathrm{Y}$, the correct rate expression is $\left([\mathrm{X}]_{0}\right.$ and $[\mathrm{X}]$ corresponds to the concen tration of X at time $\mathrm{t}=0$ and $\mathrm{t}=\mathrm{t}$, respectively)