Formation of NO2 (1 Viewer)

[Tumble]

Hello again
Does this equation occur slowly or rapidly? 2NO_(g) + O_2(g) → 2NO_2(g)

Conquering Chemistry: "Nitric oxide slowly reacts with oxygen to form nitrogen dioxide"
Wikipedia: "nitric oxide is rapidly oxidized in air"
Britannica: "reacts rapidly with oxygen to form nitrogen dioxide"
Easychem: "Nitric oxide and oxygen in the atmosphere react slowly to produce nitrogen dioxide"

Probably doesn't matter too much but I'd still like to get to the bottom of this haha. Thanks!

 

[ichila101]

Pretty sure it is a slow reaction but can I have the source for the wikipedia statement cause I couldnt find it.

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[Tumble]

Here you go!
https://en.wikipedia.org/wiki/Biological_functions_of_nitric_oxide
Last sentence of third paragraph: "Nitric oxide should not be confused with nitrous oxide (N2O), an anesthetic, or with nitrogen dioxide (NO2), a brown toxic gas and a major air pollutant, the latter being a product to which nitric oxide is rapidly oxidized in air."

 

[Chematics]

Nitric oxide reacts slowly with oxygen. The two websites that have a statement contradictory to this aren't as reliable as the other two sources you got them from.
Obviously as you said, this doesn't really matter at all haha.

Anyways, hope that helped.