Catalysts

[Matthew ILG 1L]

In today's lecture(3/9/20) Dr. Lavelle gave an example of how Nitric Oxide catalyses the conversion of oxygen to ozone in lower atmosphere.
He stated that NO(g) is a catalyst. However, is O2(g) also a catalyst?
It is not formed at any point during the process, so I assume it is not an intermediate.

[Jasmine Fendi 1D]

I do not think that O2 is a catalyst, but rather just part of the reaction. The intermediates are NO2 and O, while the only catalyst is NO.

[Amy Pham 1D]

O2 is not a catalyst, simply a reactant in the overall reaction. The process itself refers to the conversion of oxygen to ozone, so oxygen is a simply a reactant in this process, otherwise there would be no reactants. So yes, nitric oxide (NO) is the only catalyst in this reaction.

[Kallista McCarty 1C]

Nitric oxide (NO) is the only catalyst. The O2 is just a reactant

[105335337]

NO is the only catalyst and O2 is simply just a reactant because it is not reformed in the products.

[BCaballero_4F]

From my understanding in lecture, the catalyst in this reaction is NO, not O2

[kristi le 2F]

Dr. Lavelle also noted the difference between intermediates and catalysts in which catalysts are initially there and then reformed while intermediates are created and consumed in the reaction.