1.

In the formation of sulphur trioxide by the contact process, 2SO_(2(g))+O_(2(g))harr2SO_(3(g)) The rate of reaction is expressed as -(d[O_(2)])/(dt)=2.5xx10^(-4)" M sec"^(-1). The rate of disappearance ("in mol L s"^(-1)) of SO_(2) will be

Answer»

`5.0xx10^(-4)`
`2.25xx10^(-4)`
`3.75xx10^(-4)`
`50.0xx10^(-4)`

ANSWER :A


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