M4 - Qual tests of organic FG
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State the reagent(s) used to test for Alkenes C=C
Bromine Water Br2
State the reagent(s) used to test for Carboxylic Acids COOH
Carbonate CO32-
State the reagent(s) used to test for primary and secondary alcohols OH
Acidified dichromate (H+/Cr2O72-) AND Tollens’
State the reagent(s) used to test for Haloalkanes C-X
Aqueous silver nitrate (AgNO3) and ethanol
What would you observe when solid sodium carbonate (Na2CO3) is added to a carboxylic acid
Bubbles and dissolving
What would you observe when acidified dichromate (H+/Cr2O72-) is added to a primary alcohol
Orange to Green
What would you observe when bromine water is added to an alkene
Orange to colourless
What would you observe when aqueous silver nitrate (AgNO3) is added to a bromoalkane
Cream precipitate
Based on the following observations, what functional group is present Bromine water: Orange to colourless
Alkene
Based on the following observations, what functional group is present Acidified dichromate: Orange to green Tollens’: no silver mirror
Primary or secondary alcohol
Based on the following observations, what functional group is present Sodium carbonate: bubbles
Carboxylic acid
Based on the following observations, what functional group is present Aqueous silver nitrate: yellow precipitate
Iodoalkane