organic analysis(p2)

Question 1

how do you test whether an alcohol is primary, secondary or tertiary?

Answer 1

+acidified potassium dichromate+warm
primary and secndary oxide
colour change: orange to green
tertiary don’t oxidise

Question 2

how do you test for an aldehyde and a ketone?

Answer 2

add tollens reagent(warm)
aldehyde-silver mirror, ketone-no change
add Fehling’s solution(warm)
aldehyde- colour change- blue to brick red, ketone-no change