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Paper 3: Required practical 6 - Organic tests

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Total cards: 6•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (6)

#1
Front (Question)

How do you test for an alcohol?

Back (Answer)

• Add 1cm^3 opf alcohol to a test tube, add a small piece of sodium • White precipitate and effervescence

#2
Front (Question)

How do you distinguish between different alcohol types?

Back (Answer)

• Heat under reflux with acidified potassium dichromate • Primary and secondary alcohols wil be oxidised - orange to gree

#3
Front (Question)

How do you test for an aldehyde?

Back (Answer)

• Add Fehling’s solution • Brick red ppt will form

#4
Front (Question)

How do you test for an alkene?

Back (Answer)

• Add bromine water • Will decolourise from orange

#5
Front (Question)

How do you test for a carboxylic acid?

Back (Answer)

• Add Na2CO3 to the sample • CO2 will be given off

#6
Front (Question)

How do you test for a haloalknae?

Back (Answer)

• Add 5 drops of haloalkane to abut 1 cm^3 of NaOH solution in a test tube • Warm the contents of the test tube at 60°C for a few minutes • Add 2cm^3 of dilute nitric acid and 1cm^3 of silver nitrate solution • If a haloalkane is present, a ppt should form • White - chloride Cream - bromide Yellow - iodide