February 20, 2017

Homework Help: Chemistry

Posted by Kat on Sunday, June 5, 2011 at 5:57pm.

The question is "the reaction CO + SO3 <=> CO2 + SO2 has two possible mechanisms. If the rate law for this reaction is rate=k[SO3] which mechanisms is correct? which step in THAT mechanisms is the slow step?
and the mechanisms are:
mechanism 1
CO + @ -> CO@
SO3 + CO@ -> CO2 + SO2@
SO2@ -> SO2 + @

Mechanism 2
SO3 -> SO2 + O
CO + O -> CO2

and for the answers I said the first one is the correct and the second one is the slow step. Is this right?

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