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Chemical Kinetics and Nuclear Chemistry question

2025 · 7 Apr · Shift 1 · Q18
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Chemical Kinetics and Nuclear Chemistry question

2025 · 7 Apr · Shift 1 · Q18

JEE MainChemistryChemical Kinetics and Nuclear ChemistryMCQ+4 / −1

Reaction A(g)→2 B( g)+C(g)\mathrm{A}(\mathrm{g}) \rightarrow 2 \mathrm{~B}(\mathrm{~g})+\mathrm{C}(\mathrm{g})A(g)→2 B( g)+C(g) is a first order reaction. It was started with pure A

t/min Pressure of system at time t/mm Hg
10 160
∞\infty∞ 240

Which of the following option is incorrect?

  1. A
    Initial pressure of A is 80 mm Hg
  2. B
    The reaction never goes to completion
  3. C
    Partial pressure of A after 10 minute is 40 mm Hg
  4. D
    Rate constant of the reaction is 1.693 min−11.693 \mathrm{~min}^{-1}1.693 min−1
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