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At 500 K, the half-life period of a gase...

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

A

zero

B

one

C

two

D

three

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The correct Answer is:
A
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