Home Chemistry Chemical Kinetics General In the following gaseous phase first order r…
Chemistry Chemical Kinetics General Single Correct MCQ
Published on: August 13, 2026

In the following gaseous phase first order reaction

A(g) 2B(g) + C(g)

Initial pressure was found to be 400 mm and it changed to 1000 mm after 20 min. Then :

A
Half life for A is 10 min
B
Rate constant is 0.0693 min–1
C
Partial pressure of C at 30 min is 350 mm
D
Total pressure after 30 min is 1100 mm

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The correct answer is:
CHECK THE SOLUTION.

(a, b, c, d)

After 30 min Partial Pressure of A is 50 mm, After 30 min Partial Pressure of B is 700 mm

After 30 min Partial Pressure of C is 350 mm , After 30 min total pressure become 1100 mm

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