CHEMISTRY organic analysis

what reagent is used to test for primary and secondary alcohols?

acidified potassium dichromate

what is the positive test if a primary or secondary alcohol is present?

orange to green

what reagent(s) are used to distinguish between primary and secondary alcohols?

fehlings solution, tollens reagent

what are the positive tests for aldehydes?

fehlings - blue to brick red precipitate; tollens reagent - silver mirror formed

what is the reagent used to test for alkenes?

bromine water

what is the positive test result in a test for alkenes?

bromine water changes from orange brown to colourless

what reagent is used to test for the presence of carboxylic acids?

sodium carbonate

what is the positive test result for carboxylic acids?

effervescence