ahhhhh this is what she means
You can oxidise all alcohols but in different ways
You can BURN all alcohols
But
You can only oxidise primary and secondary alcohols using Acidified Pottasium dichromate (its acidified with Sulphuric acid if you wanna know) and refluxing it
Primary alcohol: oxidise it you get an Aldehyde oxidise it more you get a Carboxylic acid
Secondary alcohol: oxidise it and you get a Ketone
I think she was just chatting about when you oxidise alcohols with reagants rather than just burning them
Hope that helped if you have any other problems just list and il try and help
http://www.wbateman.demon.co.uk/asa2chem.htmBy the way this website was like literally a lifesaver use it and you'll be fine! lol
Peace