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Chemistry Chemical Kinetics General Single Correct MCQ
Published on: August 14, 2026

At 500 K, the half life period of a gaseous reaction at an initial pressure of 80 kPa is 350 s. When the pressure is 40 kPa, the half life period is 175 sec; the order of the reaction is

A
Zero
B
One
C
Two
D
Three

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Text Solution

Verified by Experts
The correct answer is:
A

=

=

2 =

n – 1 = – 1

n = 0 (zero order reaction)

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