Organic Tests 0.0 / 5 ? ChemistryOrganic TestsAll LevelsAQA Created by: mtgriffithsCreated on: 06-03-16 15:52 Bromine Water Details: Aqueous bromine orange solution Functional group identified: Carbon to carbon double bond C=C Positive Result: Orange solution to transparent solution Negative Result: Stays orange 1 of 7 Acidified Potassium Dichromate Details: Acidified with H2SO4 Orange solution Heat K2Cr2O7 Functional group identified: Identifies primary and secondary alcohols, not tertiary alcohols Positive Result: Orange solution to green solution Negative Result: Stays orange, as tertiary alcohols have no change 2 of 7 Tollen's Reagent Details: [Ag(NH4)2],+ Colourless solution NH3 NaOH AgNO3 Functional group identified: Aldehyde Positive Result: Silver mirror precipitate Negative Result: Remains colourless 3 of 7 Fehling's Solution Details: Cu,2+ ion solution Blue solution Gently warm Functional group identified: Aldehyde Positive Result: Brick-red precipitate Negative Result: Remains orange 4 of 7 Sodium Hydrogencarbonate Details: White Solid Functional group identified: Carboxylic acid Positive Result: Fizzing CO2 given off Colourless solution Negative Result: No reaction 5 of 7 Hydrolysis Followed by Acidified AgNO3 Details: Warm With Naoh Add AgNO3 Functional group identified: Haloalkane Positive Result: Cl: White precipitate Br: Cream precipitate I: Yellow precipitate Negative Result: No reaction 6 of 7 Hydrolysis Details: Add hydrogen Functional group identified: Acyl chloride Positive Result: White fumes of HCl Negative Result: No reaction 7 of 7
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