Chem 2 Flashcards
test for sulfate ions
-react with HCL
-add barium chloride
-form white precipitate
Flame test results
Lithium-crimson
Sodium-yellow
Potassium-lilac
Calcium-orange/red
Copper-green
Hydroxide precipitate test
Add few drops of dilute sodium hydroxide solution(NaOH)
Aluminium-white, dissolves in excess
Calcium-white, do flame test
Magnesium-white, doesn’t dissolve in excess
Copper-blue
Iron 2-green
Iron 3- brown
Test for carbonate
Add dilute HCL
Bubbles produced, turn limewater cloudy
Test for halide ions
Add dilute nitric acid, and silver nitrate solution
Chloride -white
Bromide-cream
Iodide-yellow
Alcohols
-added OH
Carboxcylic acids
-added COOH on end
Esters
OH removed to make a water molecule plus the ester
COO added