Decomposition of reaction 3A(g) rarr 2B(g) + 2C(s) follows first order – InterviewSolution

1.	Decomposition of reaction 3A(g) rarr 2B(g) + 2C(s) follows first order kinetics. Starting with pure A(at 6 atm), the pressure developed after 20 minutes and after a long time are 5.05 atm and 4.05 atm, respectively. Identify the correct statement.
Answer» Time for `75%` completion is slightly more than 40 minute. Time for `87.5%` completion is slightly less than 60 minute. Time for `93.75%` completion is EXACTLY 80 minute. Time for `90%` completion is more than 80 minute. Answer :C

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