O3 (ozonolysis)-- HELP!

[ramin123]

I do not understand why topscore considers O3 (ozonolysis) by itself to only oxidize alcohols to aldehyde and not carboxylic acids?? Destroyer says that if it is byitself-- carboxylic acid--- if it is with zinc-- then aldehyde --

What is goin on??

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[doc3232]

Ok, so one will oxidize fully (carbox on primaries and ketones on secondaries) and one will only place ketones or aldehydes.
Zn in Water does just aldehydes (for primary carbons) and ketones for secondary

 

[ramin123]

Exactly-- but topscore does not say that! Top score test #3