Chemical tests

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Alkene
Orange brown bromine water decolourises
1 of 9
Aldehyde (test 1)
Fehling's solution (blue solution forms brick red precipitate)
2 of 9
Aldehyde (test 2)
Tollen's reagent (colourless solution forms a silver mirror)
3 of 9
Halo alkanes (chloride)
Add NaOH to displace the carbons then add AgNO3 (acidified with HNO3) and a white precipitate forms
4 of 9
Halo alkanes (bromide)
Add NaOH then add AgNO3 (acidified with HNO3) and a cream precipitate forms
5 of 9
Halo alkanes (iodide)
Add NaOH then add AgNO3 (acidified with HNO3) and a yellow precipitate forms
6 of 9
Carboxylic acid
Add sodium carbonate and effervescence should be seen
7 of 9
Primary/Secondary alcohols
Add excess potassium dichromate (acidified with dilute H2SO4) turns from orange to green
8 of 9
Acyl Chlorides
Add water, misty fumes of HCl are observed
9 of 9

Other cards in this set

Card 2

Front

Fehling's solution (blue solution forms brick red precipitate)

Back

Aldehyde (test 1)

Card 3

Front

Tollen's reagent (colourless solution forms a silver mirror)

Back

Preview of the back of card 3

Card 4

Front

Add NaOH to displace the carbons then add AgNO3 (acidified with HNO3) and a white precipitate forms

Back

Preview of the back of card 4

Card 5

Front

Add NaOH then add AgNO3 (acidified with HNO3) and a cream precipitate forms

Back

Preview of the back of card 5
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