ABC26PH0678 · Chemical Kinetics

Subject: Physical Chemistry · Chapter: Chemical Kinetics · Topic: Rate Laws Order · Exam: JAM 2001-2022 · Marks: 2 · Difficulty: Medium

For the reaction $\mathrm{A + B \rightarrow Z}$, the concentration of Z at time t is given by $[\mathrm{Z}] = [\mathrm{A}]_{t=0}(1-e^{-kt}) + [\mathrm{Z}]_{t=0}$, where k is the rate constant. The rate law is:
(a)$-\dfrac{\mathrm{d}[\mathrm{Z}]}{\mathrm{dt}} = \mathrm{k[A]}$
(b)$\dfrac{\mathrm{d}[\mathrm{Z}]}{\mathrm{dt}} = \mathrm{k[A]}$
(c)$\dfrac{\mathrm{d}[\mathrm{Z}]}{\mathrm{dt}} = \mathrm{k[Z]}$
(d)$\dfrac{\mathrm{d}[\mathrm{Z}]}{\mathrm{dt}} = \mathrm{k[A][B]}$
Answer
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Explanation
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