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At a certain temperature, the half chang...

At a certain temperature, the half change period for the catalytic decomposition of ammonia were found as follows:
Pressure (Pasacals) 66667 133333 266666
Half life period: 3.52 1.92 1.0 Calculate the order of reaction

A

3

B

2

C

0

D

1

Text Solution

Verified by Experts

`((t_(1//2))_(1))/((t_(1//2))_(2)) = ((a_(2))/(a_(1)))^(n-1)`, where n is order of reaction.
From the given data, `(3.82)/(1.92) = ((13333)/(6667))^(n-1)` (`a prop` initial pressure)
`= (2)^(n-1) " "n - 1 = 1, n = 2`
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