1
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1

A(g) $$\to$$ P(g) + Q(g) + R(g),

Follow first order kinetics with a half-life of 69.3 s at 500$$^\circ$$C. Starting from the gas 'A' an container at 500$$^\circ$$C and at a pressure of 0.4 atm, the total pressure of the system after 230 s will be

A
1.15 atm
B
1.32 atm
C
1.22 atm
D
1.12 atm
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