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For the decomposition of a compount AB a...

For the decomposition of a compount AB at 600 K, the following data were obtained.

Find the order for the decomposition of `AB`.

A

1.5

B

0

C

1

D

2

Text Solution

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The correct Answer is:
D
`r=k[AB]^(n)`
`2.75 xx 10^(-8) =k[0.2]^(n)`….(i)
`11.0 xx 10^(-8) =k[0.4]^(n)`…(i)
`(11.0)/(2.75) = 2^(n)`
`4 = 2^(n) rArr n=2`
`:.` order =2
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