1.

Half lives of decomposition of `NH_(3)` on the surface of a catalyst for different initial pressure are given as `:` `P("torr")" "200" "300" "500` `t_(1//2)" "10" "15" "25` The order of the reaction is `-`A. 2B. 0C. 1D. `0.5`

Answer» Correct Answer - 2
`t_(1//2)prop(1)/(a^(n-1))`
`(15)/(10)=((200)/(300))^(n-1)`
`(3)/(2)=((2)/(3))^(n-1)`
`n-1=-1`
`n=0`


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