RP6: Organic Tests Flashcards
1
Q
How do you test for alcohols?
A
+ Small piece of sodium
Alcohol = white precip and effervescence
2
Q
How do you distinguish between different alcohol types?
A
Heat under reflux
+ Acidified Potassium Dichromate
1 + 2 = Orange -> Green
3 = Stays Orange
3
Q
How do you test for an aldehyde?
A
+ Tollen’s Reagent
Aldehyde = Silver Mirror
4
Q
How do you test for an alkene?
A
+ Bromine Water
Alkene = Orange -> Decolourise
5
Q
How do you test for a carboxylic acid?
A
+ Sodium Carbonate
Carboxylic Acid = CO2 given off
6
Q
How do you test for a haloalkane?
A
+ NaOH
+ Nitric Acid and Silver Nitrate
Haloalkane = Precip Forms
7
Q
What colour precipitate does chloride ions form?
A
White
8
Q
What colour precipitate does bromide ions form?
A
Cream
9
Q
What colour precipitate does Iodide ions form?
A
Yellow
