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MHT CET Chemistry question

ChemistryChemical KineticsMHT CET

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 s. The order of the reaction is

Answer: (A)

Solution

Halving the initial pressure halves the half-life, so , which is the behaviour with ; a

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Question ID VK-069247